3000% is the change from 18 to 558
Calculation steps:
[( 558 - 18 ) ÷ 18] x 100 = 3000%
Formula
Percentage change = [(558 - 18) / 18] x 100
Subtract the new number by the original number
558 - 18 = 540
540 ÷ 18 = 30
30 x 100 = 3000%
Example