Percentage Difference Calculator | Gama 1-click accuracy with zero errors
Calculate percentage difference between two numbers or solve any percentage problem with our free online calculator. Get instant results with step-by-step explanations.
Percentage Calculator
Calculate how much two numbers differ as a percentage of their average value:
Results will appear here after calculation.
Percentage Calculator
Solve any percentage calculation:
Results will appear here after calculation.
How to Calculate Percentage Difference
The difference between two numbers measures their variance relative to the average of the two values. This is different from percentage change, as it doesn’t assume a “before” and “after” value.
Percentage Difference Formula
Example Calculation
To find the percentage difference between 80 and 120:
- Absolute difference: |80 – 120| = 40
- Average: (80 + 120)/2 = 100
- Divide difference by average: 40 ÷ 100 = 0.4
- Convert to percentage: 0.4 × 100 = 40% difference
Common Percentage Calculations
Our calculator handles three fundamental percentage problems:
1. Percentage of a Number
Find what X percent of Y is:
Example: What is 15% of 200? (15 ÷ 100) × 200 = 30
2. Percentage Proportion
Determine what percent X is of Y:
Example: 25 is what percent of 50? (25 ÷ 50) × 100 = 50%
3. Percentage Change
Calculate increase or decrease between values:
Example: Price increased from $80 to $100: ((100 – 80) ÷ 80) × 100 = 25% increase
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