488.89% is the change from 9 to 53
Calculation steps:
[( 53 - 9 ) ÷ 9] x 100 = 488.89%
Formula
Percentage change = [(53 - 9) / 9] x 100
Subtract the new number by the original number
53 - 9 = 44
44 ÷ 9 = 4.888888888888889
4.888888888888889 x 100 = 488.89%