3355.56% is the change from 9 to 311
Calculation steps:
[( 311 - 9 ) ÷ 9] x 100 = 3355.56%
Formula
Percentage change = [(311 - 9) / 9] x 100
Subtract the new number by the original number
311 - 9 = 302
302 ÷ 9 = 33.55555555555556
33.55555555555556 x 100 = 3355.56%