9.13% is the change from 909 to 992
Calculation steps:
[( 992 - 909 ) ÷ 909] x 100 = 9.13%
Formula
Percentage change = [(992 - 909) / 909] x 100
Subtract the new number by the original number
992 - 909 = 83
83 ÷ 909 = 0.09130913091309131
0.09130913091309131 x 100 = 9.13%