3294.44% is the change from 18 to 611
Calculation steps:
[( 611 - 18 ) ÷ 18] x 100 = 3294.44%
Formula
Percentage change = [(611 - 18) / 18] x 100
Subtract the new number by the original number
611 - 18 = 593
593 ÷ 18 = 32.94444444444444
32.94444444444444 x 100 = 3294.44%