Percentage Calculator
Calculate percentages: X% of Y, percentage increase/decrease, percentage difference, and more.
Popularcalculators
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How It Works
Result
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How It Works
X% of Y
Calculates what X percent of Y is. Example: 20% of 150 = 30
Percentage Increase
Calculates how much a value increased from original to new. Formula: ((New - Original) / Original) × 100
Percentage Decrease
Calculates how much a value decreased from original to new. Formula: ((Original - New) / Original) × 100
Percentage Difference
Calculates the relative difference between two values. Formula: |V1 - V2| / ((V1 + V2) / 2) × 100
All calculations happen locally in your browser.
How to Use
- Select or drag and drop your file(s) into the upload area
- Adjust settings if available (quality, dimensions, etc.)
- Click the process/convert button
- Download the result
Features
- Completely free - no registration required
- Processed locally in your browser - files never uploaded
- Works offline once loaded
- Supports multiple file formats
- Fast processing with no server delays
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Frequently Asked Questions
What calculations are supported?
X% of Y, percentage increase, percentage decrease, and percentage difference.