6888.89% is the change from 9 to 629
Calculation steps:
[( 629 - 9 ) ÷ 9] x 100 = 6888.89%
Formula
Percentage change = [(629 - 9) / 9] x 100
Subtract the new number by the original number
629 - 9 = 620
620 ÷ 9 = 68.88888888888889
68.88888888888889 x 100 = 6888.89%