-89.37% is the change from 395 to 42
Calculation steps:
[( 42 - 395 ) ÷ 395] x 100 = -89.37%
Formula
Percentage change = [(42 - 395) / 395] x 100
Subtract the new number by the original number
42 - 395 = -353
-353 ÷ 395 = -0.8936708860759494
-0.8936708860759494 x 100 = -89.37%