3255.56% is the change from 18 to 604
Calculation steps:
[( 604 - 18 ) ÷ 18] x 100 = 3255.56%
Formula
Percentage change = [(604 - 18) / 18] x 100
Subtract the new number by the original number
604 - 18 = 586
586 ÷ 18 = 32.55555555555556
32.55555555555556 x 100 = 3255.56%