4344.44% is the change from 9 to 400
Calculation steps:
[( 400 - 9 ) ÷ 9] x 100 = 4344.44%
Formula
Percentage change = [(400 - 9) / 9] x 100
Subtract the new number by the original number
400 - 9 = 391
391 ÷ 9 = 43.44444444444444
43.44444444444444 x 100 = 4344.44%