-23.16% is the change from 570 to 438
Calculation steps:
[( 438 - 570 ) ÷ 570] x 100 = -23.16%
Formula
Percentage change = [(438 - 570) / 570] x 100
Subtract the new number by the original number
438 - 570 = -132
-132 ÷ 570 = -0.23157894736842105
-0.23157894736842105 x 100 = -23.16%