-16.55% is the change from 290 to 242
Calculation steps:
[( 242 - 290 ) ÷ 290] x 100 = -16.55%
Formula
Percentage change = [(242 - 290) / 290] x 100
Subtract the new number by the original number
242 - 290 = -48
-48 ÷ 290 = -0.16551724137931034
-0.16551724137931034 x 100 = -16.55%