-42.83% is the change from 488 to 279
Calculation steps:
[( 279 - 488 ) ÷ 488] x 100 = -42.83%
Formula
Percentage change = [(279 - 488) / 488] x 100
Subtract the new number by the original number
279 - 488 = -209
-209 ÷ 488 = -0.42827868852459017
-0.42827868852459017 x 100 = -42.83%