-8.54% is the change from 609 to 557
Calculation steps:
[( 557 - 609 ) ÷ 609] x 100 = -8.54%
Formula
Percentage change = [(557 - 609) / 609] x 100
Subtract the new number by the original number
557 - 609 = -52
-52 ÷ 609 = -0.08538587848932677
-0.08538587848932677 x 100 = -8.54%