-89.53% is the change from 401 to 42
Calculation steps:
[( 42 - 401 ) ÷ 401] x 100 = -89.53%
Formula
Percentage change = [(42 - 401) / 401] x 100
Subtract the new number by the original number
42 - 401 = -359
-359 ÷ 401 = -0.8952618453865336
-0.8952618453865336 x 100 = -89.53%