-21.13% is the change from 142 to 112
Calculation steps:
[( 112 - 142 ) ÷ 142] x 100 = -21.13%
Formula
Percentage change = [(112 - 142) / 142] x 100
Subtract the new number by the original number
112 - 142 = -30
-30 ÷ 142 = -0.2112676056338028
-0.2112676056338028 x 100 = -21.13%