-3.15% is the change from 603 to 584
Calculation steps:
[( 584 - 603 ) ÷ 603] x 100 = -3.15%
Formula
Percentage change = [(584 - 603) / 603] x 100
Subtract the new number by the original number
584 - 603 = -19
-19 ÷ 603 = -0.03150912106135987
-0.03150912106135987 x 100 = -3.15%