-89.72% is the change from 798 to 82
Calculation steps:
[( 82 - 798 ) ÷ 798] x 100 = -89.72%
Formula
Percentage change = [(82 - 798) / 798] x 100
Subtract the new number by the original number
82 - 798 = -716
-716 ÷ 798 = -0.8972431077694235
-0.8972431077694235 x 100 = -89.72%