Percentage Calculator Tool
Calculate percentages, percentage change, and more with this easy-to-use tool
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Input Values
%
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Calculation Results
Percentage Calculation
0
Formula: (Percentage ÷ 100) × Base Number
How it works
To find X% of a number, multiply the number by X/100.
Example: 25% of 200 = (25 ÷ 100) × 200 = 0.25 × 200 = 50
Select a calculation type and enter values to see results
Calculation History
Your calculation history will appear here
About Percentage Calculations
A percentage is a number or ratio expressed as a fraction of 100.
- Percentage of a Number: What is X% of Y? (X% × Y)
- Percentage Change: (New Value – Original Value) ÷ Original Value × 100
- Percentage Increase: Original Value × (1 + Percentage/100)
- Percentage Decrease: Original Value × (1 – Percentage/100)
- Find Percentage: (Part ÷ Whole) × 100
- Original Value: Final Value ÷ (1 ± Percentage/100)
Percentages are widely used in finance, statistics, discounts, and many everyday calculations.