2588.89% is the change from 9 to 242
Calculation steps:
[( 242 - 9 ) ÷ 9] x 100 = 2588.89%
Formula
Percentage change = [(242 - 9) / 9] x 100
Subtract the new number by the original number
242 - 9 = 233
233 ÷ 9 = 25.88888888888889
25.88888888888889 x 100 = 2588.89%