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Quick question for you groovy excel ppl out there. I'm working with a vendor and need to calculate the discount and/or increase. I know there is a simple excel formula I can use. Just looking for a tip for it.

Thanks!

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Here are the formulas I use in Excel:

Percent Increase

`=sum(NEW-OLD)/OLD`

Percent Decrease or Discount

`=sum(OLD-NEW)/OLD`

Example: Let's say I bought a stock for \$50 and now I'm going to sell it for \$125. What is the % Increase of the stock sale? In Excel I would enter `=sum(125-50)/50` and it would give me 150% increase.

For a full explanation along with screenshots, take a look at this how to tutorial: https://www.groovypost.com/howto/calculate-percentage-increases-or-decreases-in-excel/

• 1

##### Share on other sites

Here are the formulas I use in Excel:

Percent Increase

`=sum(NEW-OLD)/OLD`

Percent Decrease

`=sum(OLD-NEW)/OLD`

Example: Let's say I bought a stock for \$50 and now I'm going to sell it for \$125. What is the % Increase of the stock sale? In Excel I would enter `=sum(125-50)/50` and it would give me 150% increase.

Nice work MrGroove. Small typo in your example though. it should be =sum(125-50)/50

• 1

##### Share on other sites

Here are the formulas I use in Excel:

Percent Increase

`=sum(NEW-OLD)/OLD`

Percent Decrease

`=sum(OLD-NEW)/OLD`

Example: Let's say I bought a stock for \$50 and now I'm going to sell it for \$125. What is the % Increase of the stock sale? In Excel I would enter `=sum(125-50)/50` and it would give me 150% increase.

Nice catch @simon H - My bad!

Thanks for catching that!

##### Share on other sites

Here are the formulas I use in Excel:

Percent Increase

`=sum(NEW-OLD)/OLD`

Percent Decrease

`=sum(OLD-NEW)/OLD`

Example: Let's say I bought a stock for \$50 and now I'm going to sell it for \$125. What is the % Increase of the stock sale? In Excel I would enter `=sum(125-50)/50` and it would give me 150% increase.

bingo - thnx

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