-89.85% is the change from 808 to 82
Calculation steps:
[( 82 - 808 ) ÷ 808] x 100 = -89.85%
Formula
Percentage change = [(82 - 808) / 808] x 100
Subtract the new number by the original number
82 - 808 = -726
-726 ÷ 808 = -0.8985148514851485
-0.8985148514851485 x 100 = -89.85%