-10.22% is the change from 812 to 729
Calculation steps:
[( 729 - 812 ) ÷ 812] x 100 = -10.22%
Formula
Percentage change = [(729 - 812) / 812] x 100
Subtract the new number by the original number
729 - 812 = -83
-83 ÷ 812 = -0.1022167487684729
-0.1022167487684729 x 100 = -10.22%