Percentage Calculator

Calculate percentages instantly — find X% of Y, percentage change, reverse lookups, and more.

Percentage (%)

Of number

How to use

Select a calculation mode using the tabs above.
X% of Y — Enter a percentage and a number to find what that percentage equals.
% Change — Enter a starting value and ending value to find the percentage increase or decrease.
What % is X of Y — Enter two numbers to find what percentage the first is of the second.
Reverse % — Enter a value and a percentage to find what the original whole number was.
Results update on calculate. Use the Copy Result button to copy the answer to your clipboard.