Percentage Calculation from last 5 entries

ExcelRoy

Well-known Member
Joined
Oct 2, 2006
Messages
2,450
Office Version
  1. 2007
Platform
  1. Windows
Hi,

I am looking to calculate an efficiency percentage from the last 5 jobs worked

ie

150%
100%
-
-
150%

I am currently using the following formula

=IF(F16="","",SUM(J23:J27)/5)

But this assumes there is 5 entries, but as you can see from the example there is only 3 entries from the 5 available thus giving a false reading

Can I modify my formula to suit the available entries?

Many thanks
 

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ExcelRoy

Well-known Member
Joined
Oct 2, 2006
Messages
2,450
Office Version
  1. 2007
Platform
  1. Windows
Hi AnalystJames,

No sorry this doesn't produce the desired result

It seems to devide by 20% each calculation

ie if there are 2 entries it return 40% etc

many thanks
 

ExcelRoy

Well-known Member
Joined
Oct 2, 2006
Messages
2,450
Office Version
  1. 2007
Platform
  1. Windows

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Hi AnalystJames,

Still not correct im afraid

I thought it was there at first but still not showing what I need

Thanks
 

ExcelRoy

Well-known Member
Joined
Oct 2, 2006
Messages
2,450
Office Version
  1. 2007
Platform
  1. Windows
Forgot to mention that the number of entries may vary so I was hoping for the formula to work out how many entries out of 5 possible

Thanks
 

AnalystJames

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Jun 17, 2015
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What is the answer you are expecting in the first and can you maybe give a second example that shows how the problem can change?
 

ExcelRoy

Well-known Member
Joined
Oct 2, 2006
Messages
2,450
Office Version
  1. 2007
Platform
  1. Windows
Hi,

Example 1 (Actual at the moment)

97%
76%
118%
-
77%
Expected Result 92% based over the 4 out of 5 entries

Now depending on different data this will change to example 2

54%
118%
224%
307%
284%
Expected Result 247% based over the 5 out of 5 entries

The "-" for no entry would need to be ignored in any calculation

Hope this makes sense

Many thanks
 

ExcelRoy

Well-known Member
Joined
Oct 2, 2006
Messages
2,450
Office Version
  1. 2007
Platform
  1. Windows
yes I thought I was too

should be 197

Sorry
 

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