107.53% is the change from 438 to 909
Calculation steps:
[( 909 - 438 ) ÷ 438] x 100 = 107.53%
Formula
Percentage change = [(909 - 438) / 438] x 100
Subtract the new number by the original number
909 - 438 = 471
471 ÷ 438 = 1.0753424657534247
1.0753424657534247 x 100 = 107.53%