Percentage Calculator
Calculate percentages easily! Find X% of Y, percentage change, increase/decrease by percentage, and reverse calculations.
What is percentage of value
Enter values and click Calculate
Features
- 5 calculation modes
- Percentage of value
- Percentage change
- Increase/decrease by %
- Reverse % calculation
- Show formula
How to Use
- 1Select the calculation type
- 2Enter your values
- 3Click Calculate
- 4View the result and formula
Frequently Asked Questions
How do I find X% of Y?
Select "X% of Y" mode, enter the percentage and value. For example, 20% of 150 = 30.
How do I calculate percentage change?
Select "% Change" mode, enter the original and new values. Formula: ((new - old) / old) × 100.
What is reverse percentage?
If you know a value is X% of something, this finds the original. For example, if 30 is 20% of ?, the answer is 150.
Can I calculate tips or discounts?
Yes! Use "X% of Y" to find the tip/discount amount, or "Increase/Decrease by %" for the final total.