44.67% is the change from 638 to 923
Calculation steps:
[( 923 - 638 ) ÷ 638] x 100 = 44.67%
Formula
Percentage change = [(923 - 638) / 638] x 100
Subtract the new number by the original number
923 - 638 = 285
285 ÷ 638 = 0.44670846394984326
0.44670846394984326 x 100 = 44.67%