418% is the change from 100 to 518
Calculation steps:
[( 518 - 100 ) ÷ 100] x 100 = 418%
Formula
Percentage change = [(518 - 100) / 100] x 100
Subtract the new number by the original number
518 - 100 = 418
418 ÷ 100 = 4.18
4.18 x 100 = 418%
Example