-12.11% is the change from 570 to 501
Calculation steps:
[( 501 - 570 ) ÷ 570] x 100 = -12.11%
Formula
Percentage change = [(501 - 570) / 570] x 100
Subtract the new number by the original number
501 - 570 = -69
-69 ÷ 570 = -0.12105263157894737
-0.12105263157894737 x 100 = -12.11%