10.92% is the change from 815 to 904
Calculation steps:
[( 904 - 815 ) ÷ 815] x 100 = 10.92%
Formula
Percentage change = [(904 - 815) / 815] x 100
Subtract the new number by the original number
904 - 815 = 89
89 ÷ 815 = 0.10920245398773006
0.10920245398773006 x 100 = 10.92%