-51.02% is the change from 488 to 239
Calculation steps:
[( 239 - 488 ) ÷ 488] x 100 = -51.02%
Formula
Percentage change = [(239 - 488) / 488] x 100
Subtract the new number by the original number
239 - 488 = -249
-249 ÷ 488 = -0.5102459016393442
-0.5102459016393442 x 100 = -51.02%