Finding percentage change in Excel requires calculating the difference between two numbers, dividing that difference by the successive number and changing the decimal value to a percentage.

Calculate percentage difference between two numbers in Excel Percentage change or percentage difference can be applied to any quantity that you measure over time.

How to Calculate Percentage Change Calculating percentage change is one of the most frequently used tasks in Excel. The basic formula is: (New Value / Old Value) – 1.

We want to calculate the percentage of annual decline. First, we divide the most current revenue number by the beginning revenue number: $10 million divided by $15 million comes to 0.667.

Percent change measures value changes as a percentage of the original price. It helps compare investments and track volatility.