Calculators

Percentage Calculator

Work out percentages, changes & ratios.

What is X% of Y?

% of =30

X is what percent of Y?

is15% of

Percentage change from A to B

from to =+25%

X is Y% of what?

is % of200

Increase or decrease a number by a percent

% =287.5

Percentage difference between A and B

and =40%

This free percentage calculator covers the three questions people ask most: what is X percent of a number, what percent one number is of another, and the percentage increase or decrease between two values. Enter your numbers and each answer updates instantly.