contribution percentage column in pivot table

K

kpritchett

I have a pivot table I've created in Excel from 120,000 lines in M
Access.

It's basically across time at the top level, with months from Jan t
Dec, starting:

January

Category A Category B

Person A 10 5
Person B 7 12


I need to get a running percentage contribution column for each MONT
from each category, ie a column next to Category A showing 67% (bein
10/15) and again next to Category B for 33%; without it being the tota
of that entire row.

Help!!
 
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