-0.33% is the change from 604 to 602
Calculation steps:
[( 602 - 604 ) ÷ 604] x 100 = -0.33%
Formula
Percentage change = [(602 - 604) / 604] x 100
Subtract the new number by the original number
602 - 604 = -2
-2 ÷ 604 = -0.0033112582781456954
-0.0033112582781456954 x 100 = -0.33%