Percentage Difference calculator

Calculate percentage change

How much percentage difference is there betweeen two numbers?

Use this calculator to find the percentage increase/decrease between two numbers

What is % of ?
is what percent of ?
What is the percentage increase/decrease
from to ?


What is Percentage Difference Calculator?

Percentage Difference calculator is a free online tool to find the percent difference between two numbers. Percent Difference calculator uses this formula: ((y2 - y1) / y1)*100 = your percentage change.

How to use?

1. Enter the two numbers into the inputs.
2. Click the calculate button
3. This tool will show the result next to the button..

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.

What is Percentage Difference?

Percentage difference is the difference between two values divided by the average of the two values shown as a percentage. This can be useful in numerous calculations, such as when you need to analyse the growth in the yearly profit/revenue of a company. In this case, it helps in seeing how much increase/decrease has happened in the past year. This is extensively used in statistics. You can read more about Percentage change in Wikipedia

Calculating percentage increase

Firstly, find the difference between the two numbers
increase = New number - Original numbers
After that, divide the answer by the original number and then multiply it with 100.
Percentage Increase = Increase/Original number x 100
This is the percentage increase. If the number you got is negative value, then it is a percentage decrease.



Yesterday 80 liters of milk were sold
Today 100liters of milk were sold.
What is the perecentage increase in the milk sold today?
Answer - 22%

Example 2

One company made a profit of $10000
Another company made a profit of $25000
What is the perecentage increase in the profits between these companies?
Answer - 150%
Now, what is the percentage difference in their profits?
Answer - 85.7143%