Percentage Calculator

Three modes: X% of Y, X is what % of Y, and % change.

What is% of?= 50

is what % of?= 25%

% change fromto= +50%

Percentage Formulas

X% of Y = (X/100) x Y. X is what % of Y = (X/Y) x 100. % Change = ((New - Old) / |Old|) x 100.