You can use:

=countif(a:a,"group1")
to count the number of "Group1"'s in column A.

=counta(a:a)
will count the number of entries (text, numbers, formulas) in column A.

So maybe something like:
=countif(a:a,"group1") / counta(a:a)
would give you the percentage of group1's



lindamac wrote:

I am new at excel. I have inputs done by group 1 of 5410. Inputs done by
group 2 of 2420. So, I have a total of 7830 inputs. How do I calculate the
percentage done by group 1 over group 2?
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Thanks - Lindamac

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Dave Peterson