-9.52% is the change from 630 to 570
Calculation steps:
[( 570 - 630 ) ÷ 630] x 100 = -9.52%
Formula
Percentage change = [(570 - 630) / 630] x 100
Subtract the new number by the original number
570 - 630 = -60
-60 ÷ 630 = -0.09523809523809523
-0.09523809523809523 x 100 = -9.52%