1. What is a Percentage Difference Calculator?

Definition: This calculator measures the relative difference between two values as a percentage of their average.

Purpose: It helps compare two values to understand how much they differ relative to their average size.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Value1 \) — First value to compare
• \( Value2 \) — Second value to compare
• The result is expressed as a percentage

Explanation: The absolute difference between values is divided by their average, then multiplied by 100 to get a percentage.

3. Importance of Percentage Difference

Details: This calculation is widely used in statistics, finance, science, and quality control to compare measurements or values.

4. Using the Calculator

Tips: Enter any two numerical values (positive or negative). The calculator will show their percentage difference.

5. Frequently Asked Questions (FAQ)

Q1: How is this different from percentage change?
A: Percentage change measures increase/decrease from an original value, while percentage difference compares two arbitrary values.

Q2: Can I compare negative numbers?
A: Yes, the calculator works with both positive and negative values.

Q3: What does a 0% result mean?
A: It means the two values are identical (no difference).

Q4: What's the maximum possible percentage difference?
A: When comparing any value with zero, the difference approaches 200%.

Q5: When should I use this calculator?
A: Use it when you need to compare two values where neither is clearly a "starting" or "reference" value.