Calculating percentage change is essential for tracking growth or decline over time. This guide shows you how to apply the (New-Old)/Old formula in Excel.
Để AI làm thayEnter your data
Input your 'Old Value' in cell A2 and your 'New Value' in cell B2.
Input the formula
In cell C2, type the formula =(B2-A2)/A2 and press Enter.
Format as percentage
Select cell C2, go to the 'Home' tab, and click the '%' icon in the 'Number' group.
=(New-Old)/OldA negative result indicates a decrease from the old value to the new value.