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# How do I write a percentage formula in BO

I created 3 measures to display a summary in vertical table:

Count of Complete
Count of Incomplete
Count of  Learners

The details are below the summary table. There is a section break on Cost Center.

My Percentage formula is:
=Percentage([Count of Complete (PTD)]/[Count of Learners (PTD)])

The results returned is "1" for every Cost Center.

My previous formula:
=Count([Learner ID]) Where([Sub-Qual Status]="Complete")/Count([Learner ID])*100+"%"
worked correctly, but did not display 0% for nulls.

How do write the correct percentage formula that will display the correct percentage per cost center, display "%" and display "0" in the column, if null?
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KnightKreepa
1 Solution

Commented:
It's hard to say what might be wrong with the first formula.  There could be a problem with one or more of your "Count of" measures.  I'm not familiar with the Percentage function.  BO 6.5 doesn't seem to have that.  There's a Percentile function, but that's something else.

As for the old formula, I'm not sure what nulls you're referring to, but if the problem is that Count([Learner ID]) is null (that _would_ keep the formula from producing a result), you may just need to add an IsNull test.  Maybe something like:

=If IsNull (Count([Learner ID])) then 0+"%" Else Count([Learner ID]) Where([Sub-Qual Status]="Complete")/Count([Learner ID])*100+"%"

FWIW, you can also leave off the '+"%"' and let the formula produce a numeric result, and then format the cell as a percentage.  If you do that, you don't need to multiply the result by 100.  The percentage format will take care of that.

James
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