-89.39% is the change from 773 to 82
Calculation steps:
[( 82 - 773 ) ÷ 773] x 100 = -89.39%
Formula
Percentage change = [(82 - 773) / 773] x 100
Subtract the new number by the original number
82 - 773 = -691
-691 ÷ 773 = -0.8939197930142303
-0.8939197930142303 x 100 = -89.39%