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How to calculate percentage change or difference between two numbers in Excel?

This article is talking about calculating percentage change or difference between two numbers in Excel.

Calculate percentage change/difference between two numbers with formula

As below screenshot shown, you need to calculate the percentage change between new number 94 and old number 80. The formula =(new_value-old_value)/old_value can help you quickly calculate the percentage change between two numbers. Please do as follows.

1. Select a blank cell for locating the calculated percentage change, then enter formula =(A3-A2)/A2 into the Formula Bar, and then press the Enter key. See screenshot:

2. Keep selecting the result cell, then click the Percent Style button in the Number group under Home tab to format the cell as percentage. See screenshot:

Now the percentage difference between two given numbers is calculated.

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  • To post as a guest, your comment is unpublished.
    J Rev · 9 months ago
    How can I chnage regular percent change into Year over Year PCH?
  • To post as a guest, your comment is unpublished.
    Vincent · 1 years ago
    Hi. How to count a rate : Rate -6% -15%
    Rate -10% -6% - 15%
  • To post as a guest, your comment is unpublished.
    Cory · 2 years ago
    if one number is zero and formula returns an error. =iferror((cell1-cell2)/cell2,0)
    • To post as a guest, your comment is unpublished.
      crystal · 2 years ago
      Dear Cory,
      If you want to display the result as 0 when zero exists in one cell, please apply this formula: =IF(A2<>0,(A3-A2)/A2,"0"). You can change the second 0 to any data as you need to display as result.
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    Qamarul · 2 years ago
    how to calculate price and date and convert into percentage depending on the date stated?
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    Danny · 2 years ago
    Very easy formula to calculate % diff - thanks!
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    Dev · 2 years ago
    A fair answer to the problem but what about negative numbers or cases where one on the numbers is zero - what would the formula look like in these cases?
    • To post as a guest, your comment is unpublished.
      guestuser · 7 months ago
      re: "cases where one on the numbers is zero "

      =IFERROR((A3-A2)/A2,0)
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      Nixon · 11 months ago
      Maybe = (A3-A2) / ABS(A2)