-82.35% is the change from 238 to 42
Calculation steps:
[( 42 - 238 ) ÷ 238] x 100 = -82.35%
Formula
Percentage change = [(42 - 238) / 238] x 100
Subtract the new number by the original number
42 - 238 = -196
-196 ÷ 238 = -0.8235294117647058
-0.8235294117647058 x 100 = -82.35%