-86.01% is the change from 586 to 82
Calculation steps:
[( 82 - 586 ) ÷ 586] x 100 = -86.01%
Formula
Percentage change = [(82 - 586) / 586] x 100
Subtract the new number by the original number
82 - 586 = -504
-504 ÷ 586 = -0.8600682593856656
-0.8600682593856656 x 100 = -86.01%