-11.05% is the change from 570 to 507
Calculation steps:
[( 507 - 570 ) ÷ 570] x 100 = -11.05%
Formula
Percentage change = [(507 - 570) / 570] x 100
Subtract the new number by the original number
507 - 570 = -63
-63 ÷ 570 = -0.11052631578947368
-0.11052631578947368 x 100 = -11.05%