288.89% is the change from 9 to 35
Calculation steps:
[( 35 - 9 ) ÷ 9] x 100 = 288.89%
Formula
Percentage change = [(35 - 9) / 9] x 100
Subtract the new number by the original number
35 - 9 = 26
26 ÷ 9 = 2.888888888888889
2.888888888888889 x 100 = 288.89%