8488.89% is the change from 9 to 773
Calculation steps:
[( 773 - 9 ) ÷ 9] x 100 = 8488.89%
Formula
Percentage change = [(773 - 9) / 9] x 100
Subtract the new number by the original number
773 - 9 = 764
764 ÷ 9 = 84.88888888888889
84.88888888888889 x 100 = 8488.89%