-89.78% is the change from 802 to 82
Calculation steps:
[( 82 - 802 ) ÷ 802] x 100 = -89.78%
Formula
Percentage change = [(82 - 802) / 802] x 100
Subtract the new number by the original number
82 - 802 = -720
-720 ÷ 802 = -0.8977556109725686
-0.8977556109725686 x 100 = -89.78%