15.1% is the change from 715 to 823
Calculation steps:
[( 823 - 715 ) ÷ 715] x 100 = 15.1%
Formula
Percentage change = [(823 - 715) / 715] x 100
Subtract the new number by the original number
823 - 715 = 108
108 ÷ 715 = 0.15104895104895105
0.15104895104895105 x 100 = 15.1%