Please, Is there anybody that knows how to calculate in pivot table, % on grand total column only, not all of cells
type1 type2 type3 type4 Grand Total
agent1 4 4
agent2 1 5 129 135
agent3 6 5 9 904 924
agent4 6 1 3 87 97
Grand Total 12 7 17 1124 1160

Thaks a lot