3083.33% is the change from 18 to 573
Calculation steps:
[( 573 - 18 ) ÷ 18] x 100 = 3083.33%
Formula
Percentage change = [(573 - 18) / 18] x 100
Subtract the new number by the original number
573 - 18 = 555
555 ÷ 18 = 30.833333333333332
30.833333333333332 x 100 = 3083.33%