Percentage Calculator
Work out percentages four ways — X% of Y, X is what % of Y, percent change, and add/subtract a percent.
What is X% of Y?
% of = —
X is what percent of Y?
is what % of = —
Percent change from X to Y
from to = —
Add / subtract a percent
± % = —
How to use
Fill in any pair of boxes and the answer updates live. Use the first for tips and shares, the second to turn a fraction into a percentage, the third to measure growth or drop between two numbers, and the last to add or take a percent off a value (positive % adds, negative % subtracts).