-40.69% is the change from 408 to 242
Calculation steps:
[( 242 - 408 ) ÷ 408] x 100 = -40.69%
Formula
Percentage change = [(242 - 408) / 408] x 100
Subtract the new number by the original number
242 - 408 = -166
-166 ÷ 408 = -0.4068627450980392
-0.4068627450980392 x 100 = -40.69%