Calculate a Percentage Difference / Change

If you want to calculate the percentage difference between two values this is how you do it! You can use the percentage change calculator below to work out your figures if you are looking for a quick answer, below the calculator you will also find the workings behind the answer and the percentage change formula.

Percentage Difference Calculator

Percentage Change: 20%
To calculate a percentage change you need to calculate the difference, divide the change by the original value and then multiply that amount by 100.

With the figures above you would do the following:

120 - 100 = 20 Then: 20 / 100 = 0.2 Then: 0.2 x 100 = 20 - showing a 20% change in the amount.