What Is a Percent Difference Calculator?

The Percent Difference Calculator helps you find how much two numbers differ in percentage terms. It’s a simple yet powerful tool that saves time and removes the need for manual calculations. Whether you’re comparing prices, scores, profits, or experiment results, this calculator instantly shows how much change has occurred between the two values.

It uses the formula: Percent Difference=∣Value1−Value2∣(Value1+Value2)2×100\text{Percent Difference} = \frac{|Value_1 – Value_2|}{\frac{(Value_1 + Value_2)}{2}} \times 100Percent Difference=2(Value1​+Value2​)​∣Value1​−Value2​∣​×100

This means it measures the difference between two values based on their average, giving you a clear and accurate percentage result.

Why Use a Percent Difference Calculator?

Calculating percent differences manually can be time-consuming and prone to mistakes. The Percent Difference Calculator provides instant, precise results — making it useful for:

• Students comparing test results or lab data
• Business owners tracking sales or profits
• Shoppers comparing price changes
• Researchers analyzing experiments or surveys

It’s an easy way to make comparisons and spot trends at a glance.

How It Works

1. Enter your first value and second value.
2. Click the “Calculate” button.
3. Instantly see the percent difference displayed below.

The calculator supports both small and large numbers and works smoothly on mobiles, tablets, and computers.

Key Benefits

Instant and accurate results
No math required — just enter two numbers
Easy, mobile-friendly design
Perfect for education, business, and research

Final Thought

A Percent Difference Calculator makes it easy to compare two values accurately, helping you understand changes, analyze data, and make informed decisions with confidence.