📚 Education

Percentage Calculator (Education)

Calculate percentages, find what percentage one number is of another, and work out percentage increase or decrease. Step-by-step working shown.

The Percentage Helper is a free online tool that helps you calculate percentages, find what percentage one number is of another, and work out percentage increase or decrease. step-by-step working shown It runs in your browser with no sign-up, downloads, or installation needed. All processing happens locally — your data stays on your device.
Percentage Helper

How to use

1

Three ways to calculate

Tab 1: Find a percentage of a number (25% of 200 = 50). Tab 2: Find what percentage one number is of another (50 is 25% of 200). Tab 3: Find the percentage change between two numbers (80 to 100 = +25%).