2783.33% is the change from 18 to 519
Calculation steps:
[( 519 - 18 ) ÷ 18] x 100 = 2783.33%
Formula
Percentage change = [(519 - 18) / 18] x 100
Subtract the new number by the original number
519 - 18 = 501
501 ÷ 18 = 27.833333333333332
27.833333333333332 x 100 = 2783.33%