3327.78% is the change from 18 to 617
Calculation steps:
[( 617 - 18 ) ÷ 18] x 100 = 3327.78%
Formula
Percentage change = [(617 - 18) / 18] x 100
Subtract the new number by the original number
617 - 18 = 599
599 ÷ 18 = 33.27777777777778
33.27777777777778 x 100 = 3327.78%