-70.42% is the change from 142 to 42
Calculation steps:
[( 42 - 142 ) ÷ 142] x 100 = -70.42%
Formula
Percentage change = [(42 - 142) / 142] x 100
Subtract the new number by the original number
42 - 142 = -100
-100 ÷ 142 = -0.704225352112676
-0.704225352112676 x 100 = -70.42%