-50.61% is the change from 488 to 241
Calculation steps:
[( 241 - 488 ) ÷ 488] x 100 = -50.61%
Formula
Percentage change = [(241 - 488) / 488] x 100
Subtract the new number by the original number
241 - 488 = -247
-247 ÷ 488 = -0.5061475409836066
-0.5061475409836066 x 100 = -50.61%