-79.55% is the change from 401 to 82
Calculation steps:
[( 82 - 401 ) ÷ 401] x 100 = -79.55%
Formula
Percentage change = [(82 - 401) / 401] x 100
Subtract the new number by the original number
82 - 401 = -319
-319 ÷ 401 = -0.7955112219451371
-0.7955112219451371 x 100 = -79.55%