-88.14% is the change from 354 to 42
Calculation steps:
[( 42 - 354 ) ÷ 354] x 100 = -88.14%
Formula
Percentage change = [(42 - 354) / 354] x 100
Subtract the new number by the original number
42 - 354 = -312
-312 ÷ 354 = -0.8813559322033898
-0.8813559322033898 x 100 = -88.14%