2755.56% is the change from 18 to 514
Calculation steps:
[( 514 - 18 ) ÷ 18] x 100 = 2755.56%
Formula
Percentage change = [(514 - 18) / 18] x 100
Subtract the new number by the original number
514 - 18 = 496
496 ÷ 18 = 27.555555555555557
27.555555555555557 x 100 = 2755.56%