Hi,
I have this following situation where I want to calculate = Sum of (product sale by group)/Sum of Total product in Group
From this data, desired output is: = (599/2332) = 0.25
Thanks in Advance
| Product | Group | Product sale by Group | Total product in group |
| P1 | G1 | 78 | 122 |
| P1 | G2 | 24 | 48 |
| P1 | G3 | 18 | 76 |
| P1 | G4 | 49 | 160 |
| P2 | G1 | 39 | 123 |
| P2 | G2 | 6 | 41 |
| P2 | G3 | 19 | 57 |
| P2 | G4 | 55 | 152 |
| P3 | G1 | 39 | 139 |
| P3 | G2 | 7 | 31 |
| P3 | G3 | 5 | 71 |
| P3 | G4 | 17 | 132 |
| P4 | G1 | 18 | 122 |
| P4 | G2 | 30 | 47 |
| P4 | G3 | 13 | 61 |
| P4 | G4 | 9 | 115 |
| P5 | G1 | 8 | 122 |
| P5 | G2 | 16 | 49 |
| P5 | G3 | 2 | 115 |
| P5 | G4 | 40 | 123 |
| P6 | G1 | 14 | 95 |
| P6 | G2 | 26 | 66 |
| P6 | G3 | 9 | 121 |
| P6 | G4 | 58 | 144 |