Calculate Percentage
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Welcome to our Calculate Percentage help and practice page.

Here you will find information and support about everything to do with percentages.

This page contains links to other Math webpages where you will find a range of activities and resources.

Each webpage has a short description of what the page is about and the math learning it covers.

If you cannot find what you are looking for, try searching the site using the Google search box on the right hand side on this page.

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Percentage Learning

Percentages are another area that children can find quite difficult. There are several key areas within percentages which need to be mastered in order.

Our selection of percentage worksheets will help you to find percentages of numbers and amounts, as well as working out percentage increases and decreases and converting percentages to fractions or decimals.

Key percentage facts:

  • 50% = 0.5 = ½
  • 25% = 0.25 = ¼ 75% = 0.75 = ¾
  • 10% = 0.1 = 110
  • 1% = 0.01 = 1100

Calculate Percentage Support Page

What is a percentage?

When we use the word 'percentage' in everyday life, we tend to mean a small amount relative the whole.

In math, however, percentage has a much more specific definition.

The word per cent comes from the latin per centum which means out of 100.

In other words, when we say thirty seven percent, we mean 37 parts out of 100.

How to find a percentages of a number

There is a simple way to calculate percentages of a given number.

There are also some special cases like finding 50% or 10% of a number which are even easier to work out.

This page will help you learn to find the percentage of a given number.

There is also a percentage calculator on the page to support you work through practice questions.

I need to find a percentage of a money amount - how can I do this?

We have lots of support to help you calculate percentages of money amounts.

There are also plenty of printable worksheets where you can practice and consolidate your skills.

How can I work out the percentage increase (or decrease)?

Take a look at our How to Work Out Percentage Increase/Decrease page.

This page is all about finding the percentage increase or decrease between two numbers.

We also have a percentage increase calculator that will work it all out for you at the click of a button.

Percentage Increase Calculator

If you need to find the percentage increase/decrease between 2 numbers, then this calculator is the one you need.

Simple input the original number, then the new number and the calculator will tell you the percentage increase or decrease.

Where can I find some percentage word problems?

We have a range of percentage word problems to solve, catering for a range of abilities.

Once your child is confident finding percentages of a range of numbers, they can start using their knowledge to solve problems involving percentages.

The worksheets in this section contain a range of percentage problems set in different contexts.

I need a reverse percentage calculator, where can I find one?

Reverse percentages are when you know your new amount and the percentage increase/decrease from the original amount.

What you don't know is the original amount!

Our reverse percentage calculator will track down your original number before it was given the percentage increase or decrease!

How can I convert between fractions and percentage?

We have a quick recall fraction decimal percentage table which will quickly convert between a range of fractions, decimals and percents.

Fractions Decimals Percents

Below are some common conversions for fractions into decimals and percents.

Fraction Equivalent to Decimal Percent
1/2
2/2

1/3
2/3
3/3

1/4
2/4
3/4
4/4

1/5
2/5
3/5
4/5
5/5

1/6
2/6
3/6
4/6
5/6
6/6

1/8
2/8
3/8
4/8
5/8
6/8
7/8
8/8

1/10
2/10
3/10
4/10
5/10
6/10
7/10
8/10
9/10
10/10
1/2
1

1/3
2/3
1

1/4
1/2
3/4
1

1/5
2/5
3/5
4/5
5/5

1/6
1/3
1/2
2/3
5/6
1

1/8
1/4
3/8
1/2
5/8
3/4
7/8
1

1/10
1/5
3/10
2/5
1/2
3/5
7/10
4/5
9/10
1
0.5
1.0

0.333
0.667
1.0

0.25
0.5
0.75
1.0

0.2
0.4
0.6
0.8
1.0

0.167
0.333
0.5
0.666
0.833
1.0

0.125
0.25
0.375
0.5
0.625
0.75
0.875
1.0

0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
50%
100%

33.3%
66.7%
100%

25%
50%
75%
100%

20%
40%
60%
80%
100%

16.7%
33.3%
50%
66.7%
83.3%
100%

12.5%
25%
37.5%
50%
62.5%
75%
87.5%
100%

10%
20%
30%
40%
50%
60%
70%
80%
90%
100%

Where a digit is underlined, it means that the number has been rounded to 3 decimal places, or to the nearest 0.1%.

Converting Percentages to Fractions

On this page we show you two simple steps for converting percents to fractions, or converting fractions to percents.

There is also a percent to fraction calculator and some problems to test your skills with!

Do you have any percentage calculators?

We have a range of percentage calculators online for finding a range of different types of percentages.

At present, we have the following calculators:

  • A Percent Of Calculator for finding the percentage of a number.
  • A Percentage Increase Calculator for finding the percentage increase or decrease.
  • A Reverse Percentage Calculator for finding the original amount before the percentage increase or decrease;
  • Calculators for converting percentages to fractions and fractions to percents.

Do you have a place where I can practice finding percentages online and get immediate feedback?

Our online percentage practice zone gives you a chance to practice finding percentages of a range of numbers.

You can choose your level of difficulty and test yourself with immediate feedback!

 

 

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