-35.54% is the change from 242 to 156
Calculation steps:
[( 156 - 242 ) ÷ 242] x 100 = -35.54%
Formula
Percentage change = [(156 - 242) / 242] x 100
Subtract the new number by the original number
156 - 242 = -86
-86 ÷ 242 = -0.35537190082644626
-0.35537190082644626 x 100 = -35.54%