3155.56% is the change from 18 to 586
Calculation steps:
[( 586 - 18 ) ÷ 18] x 100 = 3155.56%
Formula
Percentage change = [(586 - 18) / 18] x 100
Subtract the new number by the original number
586 - 18 = 568
568 ÷ 18 = 31.555555555555557
31.555555555555557 x 100 = 3155.56%