6388.89% is the change from 9 to 584
Calculation steps:
[( 584 - 9 ) ÷ 9] x 100 = 6388.89%
Formula
Percentage change = [(584 - 9) / 9] x 100
Subtract the new number by the original number
584 - 9 = 575
575 ÷ 9 = 63.888888888888886
63.888888888888886 x 100 = 6388.89%