Percentage Calculator

Quickly solve various percentage problems.

A simple but essential tool for everyday math. Our Percentage Calculator helps you solve three common problems: 1. What is X% of Y? 2. X is what percent of Y? 3. What is the percentage increase or decrease from X to Y? It's perfect for shopping discounts, business calculations, or schoolwork.
What is X% of Y?
Example: What is 15% of 250?
% of
=
37.5
X is what percent of Y?
Example: 40 is what percent of 200?
is what % of
=
20%
Percentage Change
Example: What is the percentage increase/decrease from 50 to 150?
to
=
200.00% increase