-12.5% is the change from 816 to 714
Calculation steps:
[( 714 - 816 ) ÷ 816] x 100 = -12.5%
Formula
Percentage change = [(714 - 816) / 816] x 100
Subtract the new number by the original number
714 - 816 = -102
-102 ÷ 816 = -0.125
-0.125 x 100 = -12.5%