10133.33% is the change from 9 to 921
Calculation steps:
[( 921 - 9 ) ÷ 9] x 100 = 10133.33%
Formula
Percentage change = [(921 - 9) / 9] x 100
Subtract the new number by the original number
921 - 9 = 912
912 ÷ 9 = 101.33333333333333
101.33333333333333 x 100 = 10133.33%