107.06% is the change from 439 to 909
Calculation steps:
[( 909 - 439 ) ÷ 439] x 100 = 107.06%
Formula
Percentage change = [(909 - 439) / 439] x 100
Subtract the new number by the original number
909 - 439 = 470
470 ÷ 439 = 1.070615034168565
1.070615034168565 x 100 = 107.06%