-86.2% is the change from 594 to 82
Calculation steps:
[( 82 - 594 ) ÷ 594] x 100 = -86.2%
Formula
Percentage change = [(82 - 594) / 594] x 100
Subtract the new number by the original number
82 - 594 = -512
-512 ÷ 594 = -0.8619528619528619
-0.8619528619528619 x 100 = -86.2%