-72.73% is the change from 154 to 42
Calculation steps:
[( 42 - 154 ) ÷ 154] x 100 = -72.73%
Formula
Percentage change = [(42 - 154) / 154] x 100
Subtract the new number by the original number
42 - 154 = -112
-112 ÷ 154 = -0.7272727272727273
-0.7272727272727273 x 100 = -72.73%