How to get original number from percent change in Excel

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To calculate the original number based on current value and known percentage change, you can use a simple formula that divides the current value by the percent plus 1.

Worked Example:   How to get original price from percentage discount in Excel

Formula

=current/(percent+1)

Explanation

In the example, the active cell contains this formula:

=C6/(B6+1)

In this case, Excel first calculates the result of B6 + 1, then divides C6 by the result:

=C6/(B6+1)
=200/1.15
=173.913

Rounded result

In the example shown, values in column D are using the currency format, which displays 2 decimal places automatically. If you want to force the result to be rounded to 2 decimal places, just wrap in the ROUND function:

=ROUND(C6/(B6+1),2)

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