Percentage Calculator
Calculate percentages, increases, decreases, and differences instantly.
How to Use Percentage Calculator
- 1
Choose the calculation type (What is X% of Y, X is what % of Y, etc.).
- 2
Enter the numbers in the fields.
- 3
The result calculates instantly.
- 4
View the formula explanation below the result.
Frequently Asked Questions
How do I calculate what X% of Y is?▾
Multiply Y by X and divide by 100. Example: 20% of 150 = (150 × 20) / 100 = 30.
How do I calculate percentage increase?▾
Percentage increase = ((New - Old) / Old) × 100. Example: from 100 to 120 = 20% increase.
What is percentage difference?▾
Percentage difference = |A - B| / ((A + B) / 2) × 100. Used for comparing two values.
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