For convenience, the category values in column B are in thenamed rangecategory(B5:B122).

To generate the count, we use theCOUNTIF function.

The formula in H5 is:

On the left, COUNTIF is configured as explained above.

Excel formula: Summary count with COUNTIF

For example, 65% is read as “Sixty-five percent” and is equivalent to 65/100 or 0.65.

Accordingly, the values in column H aredecimal values, with thePercentage number formatapplied.

Pivot table option

Apivot tablewould also be a good way to solve this problem.

Excel formula: Summary count by month with COUNTIFS

COUNTA does not count empty cells.

Excel formula: Get percentage of total

Excel formula: Project complete percentage

Excel COUNTIF function

Excel COUNTA function