-35.95% is the change from 242 to 155
Calculation steps:
[( 155 - 242 ) ÷ 242] x 100 = -35.95%
Formula
Percentage change = [(155 - 242) / 242] x 100
Subtract the new number by the original number
155 - 242 = -87
-87 ÷ 242 = -0.359504132231405
-0.359504132231405 x 100 = -35.95%