8.07% is the change from 917 to 991
Calculation steps:
[( 991 - 917 ) ÷ 917] x 100 = 8.07%
Formula
Percentage change = [(991 - 917) / 917] x 100
Subtract the new number by the original number
991 - 917 = 74
74 ÷ 917 = 0.0806979280261723
0.0806979280261723 x 100 = 8.07%