1032.1% is the change from 81 to 917
Calculation steps:
[( 917 - 81 ) ÷ 81] x 100 = 1032.1%
Formula
Percentage change = [(917 - 81) / 81] x 100
Subtract the new number by the original number
917 - 81 = 836
836 ÷ 81 = 10.320987654320987
10.320987654320987 x 100 = 1032.1%