3.96% is the change from 581 to 604
Calculation steps:
[( 604 - 581 ) ÷ 581] x 100 = 3.96%
Formula
Percentage change = [(604 - 581) / 581] x 100
Subtract the new number by the original number
604 - 581 = 23
23 ÷ 581 = 0.039586919104991396
0.039586919104991396 x 100 = 3.96%