-79.19% is the change from 394 to 82
Calculation steps:
[( 82 - 394 ) ÷ 394] x 100 = -79.19%
Formula
Percentage change = [(82 - 394) / 394] x 100
Subtract the new number by the original number
82 - 394 = -312
-312 ÷ 394 = -0.7918781725888325
-0.7918781725888325 x 100 = -79.19%