11.53% is the change from 815 to 909
Calculation steps:
[( 909 - 815 ) ÷ 815] x 100 = 11.53%
Formula
Percentage change = [(909 - 815) / 815] x 100
Subtract the new number by the original number
909 - 815 = 94
94 ÷ 815 = 0.11533742331288344
0.11533742331288344 x 100 = 11.53%