-13.65% is the change from 828 to 715
Calculation steps:
[( 715 - 828 ) ÷ 828] x 100 = -13.65%
Formula
Percentage change = [(715 - 828) / 828] x 100
Subtract the new number by the original number
715 - 828 = -113
-113 ÷ 828 = -0.13647342995169082
-0.13647342995169082 x 100 = -13.65%