-51.23% is the change from 488 to 238
Calculation steps:
[( 238 - 488 ) ÷ 488] x 100 = -51.23%
Formula
Percentage change = [(238 - 488) / 488] x 100
Subtract the new number by the original number
238 - 488 = -250
-250 ÷ 488 = -0.5122950819672131
-0.5122950819672131 x 100 = -51.23%