-62.5% is the change from 112 to 42
Calculation steps:
[( 42 - 112 ) ÷ 112] x 100 = -62.5%
Formula
Percentage change = [(42 - 112) / 112] x 100
Subtract the new number by the original number
42 - 112 = -70
-70 ÷ 112 = -0.625
-0.625 x 100 = -62.5%
Example