-14.39% is the change from 570 to 488
Calculation steps:
[( 488 - 570 ) ÷ 570] x 100 = -14.39%
Formula
Percentage change = [(488 - 570) / 570] x 100
Subtract the new number by the original number
488 - 570 = -82
-82 ÷ 570 = -0.14385964912280702
-0.14385964912280702 x 100 = -14.39%