9.68% is the change from 909 to 997
Calculation steps:
[( 997 - 909 ) ÷ 909] x 100 = 9.68%
Formula
Percentage change = [(997 - 909) / 909] x 100
Subtract the new number by the original number
997 - 909 = 88
88 ÷ 909 = 0.0968096809680968
0.0968096809680968 x 100 = 9.68%