-10.34% is the change from 812 to 728
Calculation steps:
[( 728 - 812 ) ÷ 812] x 100 = -10.34%
Formula
Percentage change = [(728 - 812) / 812] x 100
Subtract the new number by the original number
728 - 812 = -84
-84 ÷ 812 = -0.10344827586206896
-0.10344827586206896 x 100 = -10.34%