-3.31% is the change from 605 to 585
Calculation steps:
[( 585 - 605 ) ÷ 605] x 100 = -3.31%
Formula
Percentage change = [(585 - 605) / 605] x 100
Subtract the new number by the original number
585 - 605 = -20
-20 ÷ 605 = -0.03305785123966942
-0.03305785123966942 x 100 = -3.31%