I have a data looks like below
Its a matrix where calculation is like
(sum of all values of column1 /sum of E)*100
so it has be for each row of account column.
.
i refraim my query
top most view is data and then matrix view.
To conclude.
all sum of rows must be divide by same value gross sales *100
Show your underlaying data structure or table please. Is gross sales a column in your table?
gross sales is same as other values as account in that column
= DIVIDE(
CALCULATE(sum('table'[column1], REMOVEFILTERS(),
sum('table'[column1])