-12.38% is the change from 816 to 715
Calculation steps:
[( 715 - 816 ) ÷ 816] x 100 = -12.38%
Formula
Percentage change = [(715 - 816) / 816] x 100
Subtract the new number by the original number
715 - 816 = -101
-101 ÷ 816 = -0.12377450980392157
-0.12377450980392157 x 100 = -12.38%