Percentage Calculator

Calculate percentages instantly for discounts, exam scores, profit checks, and growth comparisons.

How to use it

Choose a mode: percent of value, value as percent, or percentage change.
Enter Value A and Value B.
Click "Calculate" to get an instant percentage result.

Practical example

Input: Mode: What is X% of Y, Value A: 25, Value B: 200

Output: 25% of 200 = 50.00

Frequently asked questions

Can I use this for discount and tax calculations?Yes. The calculator is useful for shopping discounts, markups, tax estimates, and score analysis.

What happens if I enter zero as Value B?The tool asks for valid numbers because division by zero is not allowed.