# How do you calculate percentage difference?

## How do you calculate percentage difference?

First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100. If your answer is a negative number, then this is a percentage decrease.

## How do you calculate percentage difference manually?

How do you calculate percentage change? • ((after value – before value) / before value) * 100 = % change. Simply subtract the before value from the after value; then divide by the before value. Multiply the result by 100. Add a % sign and that is your percentage change.

## What is the percentage difference between two numbers?

To calculate the percentage difference between two numbers, a and b , perform the following calculations: Find the absolute difference between two numbers: |a – b| Find the average of those two numbers: (a + b) / 2. Divide the difference by the average: |a – b| / ((a + b) / 2)

## What is the difference between two percentages?

Percentage Difference Formula: Percentage difference equals the absolute value of the change in value, divided by the average of the 2 numbers, all multiplied by 100. We then append the percent sign, %, to designate the % difference.

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