Percentage Calculator

Four everyday percentage calculations, live as you type. Enter values in any card below.

What is X% of Y?

% of =
-

e.g. 25% of 200 = 50

X is what percent of Y?

is what % of
-

e.g. 50 is 25% of 200

Percentage change from X to Y

from to
-

e.g. 80 to 100 is a 25% increase

X is Y% of what number?

is % of
-

e.g. 50 is 25% of 200

Formulas used

Question Formula
What is P% of N? P / 100 × N
A is what percent of B? A / B × 100
Percent change from A to B (B − A) / |A| × 100
A is P% of what number? A × 100 / P