475.56% is the change from 90 to 518
Calculation steps:
[( 518 - 90 ) ÷ 90] x 100 = 475.56%
Formula
Percentage change = [(518 - 90) / 90] x 100
Subtract the new number by the original number
518 - 90 = 428
428 ÷ 90 = 4.7555555555555555
4.7555555555555555 x 100 = 475.56%