6000% is the change from 9 to 549
Calculation steps:
[( 549 - 9 ) ÷ 9] x 100 = 6000%
Formula
Percentage change = [(549 - 9) / 9] x 100
Subtract the new number by the original number
549 - 9 = 540
540 ÷ 9 = 60
60 x 100 = 6000%
Example