Percentage Calculator – Calculate % Free
Three powerful percentage calculations in one: find a percentage of a number, calculate what percent one number is of another, and find percent change.
What is X% of Y?
% of
X is what % of Y?
is % of
Percentage change
→
How to Use
- 1
Choose the type of percentage calculation
- 2
Enter the required numbers in the fields
- 3
See the result instantly
Frequently Asked Questions
How do I calculate a percentage of a number?
Use mode 1: enter the percentage and the base number, then click Calculate.
How do I find what percentage one number is of another?
Use mode 2: enter the part and the total, and the tool shows the percentage.
How is percentage change calculated?
Percentage change = ((new value – old value) / old value) × 100.
Is the calculator free?
Yes, completely free and no registration required.