-8.66% is the change from 797 to 728
Calculation steps:
[( 728 - 797 ) ÷ 797] x 100 = -8.66%
Formula
Percentage change = [(728 - 797) / 797] x 100
Subtract the new number by the original number
728 - 797 = -69
-69 ÷ 797 = -0.08657465495608532
-0.08657465495608532 x 100 = -8.66%