A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
I don't understand why you use VSTACK to add "Total" to the bottom, then immediately use DROP to remove it?
I suspect you want something like:
=VSTACK(SORT(FILTER(DP8:DT200,(DP8:DP200<>"")*(DP8:DP200<>"Total")),{2,3,1},-1),HSTACK("Total",SUM(DQ8:DQ200)/2))