5 answers
So like this? Formula A:
RowCount / PARENTGROUPVAL(RowCount, ROW_GRAND_SUMMARY, Test__c.Do_you_owe_SteveMo_a_beer2__c)
Formula B:
RowCount / PARENTGROUPVAL(RowCount , ACCOUNT.NAME, COLUMN_GRAND_SUMMARY)
Formula C:
RowCount /
PARENTGROUPVAL(RowCount, ROW_GRAND_SUMMARY, COLUMN_GRAND_SUMMARY)