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Percentage Calculator
FREECalculate percentage of a number, percentage change, and percentage increase or decrease instantly.
1. Calculate Percentage Value (What is X% of Y?)
% percent
total number
Result
75.00
2. Calculate Percentage Portion (X is what % of Y?)
Result
25.00%
3. Calculate Percentage Increase / Decrease
Change
+50.00%
How to use Percentage Calculator
1
Select Calculation Type
Choose between basic percentage, percentage change, or percentage of total.
2
Enter Values
Fill in your numbers into the simple input fields.
3
Get Instant Result
View the exact calculated percentage value immediately.
Frequently Asked Questions
How do I calculate what percentage A is of B?
Divide A by B, then multiply by 100. Our calculator does this automatically!
Can I calculate negative percentage change?
Yes! Negative values represent percentage decreases.