-79.29% is the change from 396 to 82
Calculation steps:
[( 82 - 396 ) ÷ 396] x 100 = -79.29%
Formula
Percentage change = [(82 - 396) / 396] x 100
Subtract the new number by the original number
82 - 396 = -314
-314 ÷ 396 = -0.7929292929292929
-0.7929292929292929 x 100 = -79.29%