244.44% is the change from 9 to 31
Calculation steps:
[( 31 - 9 ) ÷ 9] x 100 = 244.44%
Formula
Percentage change = [(31 - 9) / 9] x 100
Subtract the new number by the original number
31 - 9 = 22
22 ÷ 9 = 2.4444444444444446
2.4444444444444446 x 100 = 244.44%