13.25% is the change from 815 to 923
Calculation steps:
[( 923 - 815 ) ÷ 815] x 100 = 13.25%
Formula
Percentage change = [(923 - 815) / 815] x 100
Subtract the new number by the original number
923 - 815 = 108
108 ÷ 815 = 0.1325153374233129
0.1325153374233129 x 100 = 13.25%