-6.24% is the change from 609 to 571
Calculation steps:
[( 571 - 609 ) ÷ 609] x 100 = -6.24%
Formula
Percentage change = [(571 - 609) / 609] x 100
Subtract the new number by the original number
571 - 609 = -38
-38 ÷ 609 = -0.06239737274220033
-0.06239737274220033 x 100 = -6.24%