3288.89% is the change from 9 to 305
Calculation steps:
[( 305 - 9 ) ÷ 9] x 100 = 3288.89%
Formula
Percentage change = [(305 - 9) / 9] x 100
Subtract the new number by the original number
305 - 9 = 296
296 ÷ 9 = 32.888888888888886
32.888888888888886 x 100 = 3288.89%