-9.55% is the change from 806 to 729
Calculation steps:
[( 729 - 806 ) ÷ 806] x 100 = -9.55%
Formula
Percentage change = [(729 - 806) / 806] x 100
Subtract the new number by the original number
729 - 806 = -77
-77 ÷ 806 = -0.09553349875930521
-0.09553349875930521 x 100 = -9.55%