Custom Field to Calculate Percentage

masouder

Board Regular
Joined
Jul 5, 2013
Messages
114
Office Version
  1. 2013
Platform
  1. Windows
I have a pivot table that analyzes test results. Assume three fields: Test, Result and Failure. If a test resulted in a failure then there is 1 in this field; otherwise there is a 0. There are several test results for each test. I want to calulate the percentage of failures for each test. I have selected Test for Row Labels. I cannot figure out how to calulate the percentage. Basically, the formula equates to =SUM(Failures)/COUNTA(Test). In other words, for each test add the failures and divide by the total number of results for that test.

Any help is greatly appreciated.
 

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Select a range of cells. The total appears in bottom right of Excel screen. Right-click total to add Max, Min, Count, Average.

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