15.8% is the change from 715 to 828
Calculation steps:
[( 828 - 715 ) ÷ 715] x 100 = 15.8%
Formula
Percentage change = [(828 - 715) / 715] x 100
Subtract the new number by the original number
828 - 715 = 113
113 ÷ 715 = 0.15804195804195803
0.15804195804195803 x 100 = 15.8%