3161.11% is the change from 18 to 587
Calculation steps:
[( 587 - 18 ) ÷ 18] x 100 = 3161.11%
Formula
Percentage change = [(587 - 18) / 18] x 100
Subtract the new number by the original number
587 - 18 = 569
569 ÷ 18 = 31.61111111111111
31.61111111111111 x 100 = 3161.11%