-9.13% is the change from 800 to 727
Calculation steps:
[( 727 - 800 ) ÷ 800] x 100 = -9.13%
Formula
Percentage change = [(727 - 800) / 800] x 100
Subtract the new number by the original number
727 - 800 = -73
-73 ÷ 800 = -0.09125
-0.09125 x 100 = -9.13%