-3.28% is the change from 609 to 589
Calculation steps:
[( 589 - 609 ) ÷ 609] x 100 = -3.28%
Formula
Percentage change = [(589 - 609) / 609] x 100
Subtract the new number by the original number
589 - 609 = -20
-20 ÷ 609 = -0.03284072249589491
-0.03284072249589491 x 100 = -3.28%