9000% is the change from 5 to 455
Calculation steps:
[( 455 - 5 ) ÷ 5] x 100 = 9000%
Formula
Percentage change = [(455 - 5) / 5] x 100
Subtract the new number by the original number
455 - 5 = 450
450 ÷ 5 = 90
90 x 100 = 9000%
Example