422.22% is the change from 9 to 47
Calculation steps:
[( 47 - 9 ) ÷ 9] x 100 = 422.22%
Formula
Percentage change = [(47 - 9) / 9] x 100
Subtract the new number by the original number
47 - 9 = 38
38 ÷ 9 = 4.222222222222222
4.222222222222222 x 100 = 422.22%