6911.11% is the change from 9 to 631
Calculation steps:
[( 631 - 9 ) ÷ 9] x 100 = 6911.11%
Formula
Percentage change = [(631 - 9) / 9] x 100
Subtract the new number by the original number
631 - 9 = 622
622 ÷ 9 = 69.11111111111111
69.11111111111111 x 100 = 6911.11%