125% is the change from 404 to 909
Calculation steps:
[( 909 - 404 ) ÷ 404] x 100 = 125%
Formula
Percentage change = [(909 - 404) / 404] x 100
Subtract the new number by the original number
909 - 404 = 505
505 ÷ 404 = 1.25
1.25 x 100 = 125%
Example