summary by group

[arie_rozzy]

my expression => Num(Sum(netamt)/Sum(Total netamt),'#,##0.0 %')

what if I want the percentage of room type to be calculated per year??

[Channa]

Num(Sum(netamt)/Sum(Total<Year> netamt),'#,##0.0 %')

[arie_rozzy]

Thank you for helping, but the results are still the same