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"Math Salamanders Free Math Sheets"

Welcome to the our Percentage Increase Calculator.

Here you will our percentage increase calculator which you can use for finding a percentage increase or decrease.

This calculator will help you to find a percentage or decrease between two numbers.

Simply enter the percentage in the first box and the number in the 2nd box.

Click on the 'Get Answer' box to work out the percentage you need!

All percentages are rounded to 2dp where appropriate.

How to find the Percentage increase

Take a look at the 3 easy steps below for finding how to find the percentage increase or decrease between 2 numbers.

Step 1) Subtract the original number from the new number.

Step 2) Divide this number by the original number.

Step 3) Multiply this number by 100 to convert it to a percentage.

If the number is negative, then it is a percentage decrease, if it is positive then it is an increase.

Examples

Example 1) A long jumper jumps 720cm on his first jump and 756cm on his 2nd jump. Work out the percentage increase.

Step 1) 756 - 720 = 36cm

Step 2) 36 ÷ 720 = 0.05

Step 3) 0.05 x 100 = 5%

Answer: there is a 5% increase in his jump length.

Example 2) I buy a bike for $350. I sell the bike for $270 after six months. What was my percentage loss in price to 1 decimal place?

Step 1) 270 - 350 = -80

Step 2) -80 ÷ 350 = -0.22857...

Step 3) -0.22857 x 100 = 22.857% or 22.9% to 1dp

Answer: there is a 22.9% decrease or loss in price.

Other Percentage Calculators

We have a range of different percentage calculators to use.

Select the one you want to use from the list below.

Online Percentage Practice Zone

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!

I still need help with working out the percentage increase (or decrease)?

If you are still stuck with percentage increases and decreases, try our page on How to Work out percentage change.

There are further worked examples, and more in-depth help on this topic.

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