3.42% is the change from 584 to 604
Calculation steps:
[( 604 - 584 ) ÷ 584] x 100 = 3.42%
Formula
Percentage change = [(604 - 584) / 584] x 100
Subtract the new number by the original number
604 - 584 = 20
20 ÷ 584 = 0.03424657534246575
0.03424657534246575 x 100 = 3.42%