-3.47% is the change from 606 to 585
Calculation steps:
[( 585 - 606 ) ÷ 606] x 100 = -3.47%
Formula
Percentage change = [(585 - 606) / 606] x 100
Subtract the new number by the original number
585 - 606 = -21
-21 ÷ 606 = -0.034653465346534656
-0.034653465346534656 x 100 = -3.47%