-12.87% is the change from 816 to 711
Calculation steps:
[( 711 - 816 ) ÷ 816] x 100 = -12.87%
Formula
Percentage change = [(711 - 816) / 816] x 100
Subtract the new number by the original number
711 - 816 = -105
-105 ÷ 816 = -0.12867647058823528
-0.12867647058823528 x 100 = -12.87%