-80.1% is the change from 412 to 82
Calculation steps:
[( 82 - 412 ) ÷ 412] x 100 = -80.1%
Formula
Percentage change = [(82 - 412) / 412] x 100
Subtract the new number by the original number
82 - 412 = -330
-330 ÷ 412 = -0.8009708737864077
-0.8009708737864077 x 100 = -80.1%