Percentage Calculator

Calculate percentages, percentage change, and percentage of a number.

What is X% of Y?

What is% of=?

X is what % of Y?

is what % of=?

Percentage change from X to Y

Fromto=?

About Percentage Calculator

Free percentage calculator that handles all common percentage operations: find what percent one number is of another, calculate percentage increase or decrease between two values, determine a percentage of any number, and compute tip amounts. Useful for students, shoppers comparing discounts, business professionals analyzing growth metrics, and anyone working with proportional data.

Frequently Asked Questions

How do I calculate the percentage of a number?▾

Enter the percentage and the number, and the tool instantly calculates the result. For example, to find 15% of 200, enter 15 and 200 to get 30.

Can I calculate percentage increase or decrease?▾

Yes. Enter the original value and the new value, and the tool calculates the percentage change. It clearly shows whether the change is an increase or decrease and by how much.