Percentage Calculator
Calculate percentages, increases, and decreases.
What is X% of Y?
% of
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0
X is what percent of Y?
is what % of
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0%
Percentage change from X to Y
From
to =
0%
How to Use
- Choose the calculation that matches what you need: a percentage of a number, what percent one number is of another, or a percentage change.
- Enter your values into the input fields.
- The result updates automatically as you type.
Features
- Three common percentage calculations in one tool
- Handles percentage increase and decrease with correct signs
- Instant results with no page reload
Frequently Asked Questions
How do I calculate a percentage increase?
Use the "Percentage change from X to Y" calculator — enter your original value as X and the new value as Y. A positive result is an increase; a negative result is a decrease.
What is 20% of 150?
Using the first calculator: enter 20 as X and 150 as Y, and the result will show 30.
Can I use negative numbers?
Yes, all three calculators accept negative numbers and will calculate accordingly.
