-9.8% is the change from 806 to 727
Calculation steps:
[( 727 - 806 ) ÷ 806] x 100 = -9.8%
Formula
Percentage change = [(727 - 806) / 806] x 100
Subtract the new number by the original number
727 - 806 = -79
-79 ÷ 806 = -0.09801488833746898
-0.09801488833746898 x 100 = -9.8%