3788.89% is the change from 9 to 350
Calculation steps:
[( 350 - 9 ) ÷ 9] x 100 = 3788.89%
Formula
Percentage change = [(350 - 9) / 9] x 100
Subtract the new number by the original number
350 - 9 = 341
341 ÷ 9 = 37.888888888888886
37.888888888888886 x 100 = 3788.89%