Math Tool

Percentage Calculator

Three modes: find percentage value, percentage change, or what % one number is of another.

X% of Y

What is X% of Y?

X is ?% of Y

What percent is X of Y?

% Change

Percentage increase or decrease from X to Y.

About Percentage Calculator

Our percentage calculator handles three common scenarios: (1) finding what X% of Y equals, (2) finding what percentage X is of Y, and (3) finding the percentage increase or decrease between two values. Useful for discounts, marks calculation, financial analysis, and everyday maths.