5655.56% is the change from 9 to 518
Calculation steps:
[( 518 - 9 ) ÷ 9] x 100 = 5655.56%
Formula
Percentage change = [(518 - 9) / 9] x 100
Subtract the new number by the original number
518 - 9 = 509
509 ÷ 9 = 56.55555555555556
56.55555555555556 x 100 = 5655.56%