Aggr with sorting

[Lilac]

Hello. Could you please help with issue regarding incorrect sorting of the field Rollup Sum? Thank you in advance

red-wrong, green - correct

Formula-

Aggr( Rangesum(Above(num#(Sum([Количество])),0,RowNo())), (key1, (NUMERIC, ASCENDING)), (key, (= num#(sum([Количество])), DESCENDING)) )