-89.82% is the change from 796 to 81
Calculation steps:
[( 81 - 796 ) ÷ 796] x 100 = -89.82%
Formula
Percentage change = [(81 - 796) / 796] x 100
Subtract the new number by the original number
81 - 796 = -715
-715 ÷ 796 = -0.8982412060301508
-0.8982412060301508 x 100 = -89.82%