Percentage Calculator
Work out percentages three ways — X% of Y, X is what % of Y, and percent change.
What is X% of Y?
% of = —
X is what percent of Y?
is what % of = —
Percent change from X to Y
from to = —
How to use
Fill in any pair of boxes and the answer updates live. Use the first for tips and discounts, the second to turn a fraction into a percentage, and the third to measure growth or drop between two numbers.