-88.2% is the change from 356 to 42
Calculation steps:
[( 42 - 356 ) ÷ 356] x 100 = -88.2%
Formula
Percentage change = [(42 - 356) / 356] x 100
Subtract the new number by the original number
42 - 356 = -314
-314 ÷ 356 = -0.8820224719101124
-0.8820224719101124 x 100 = -88.2%