48.28% is the change from 638 to 946
Calculation steps:
[( 946 - 638 ) ÷ 638] x 100 = 48.28%
Formula
Percentage change = [(946 - 638) / 638] x 100
Subtract the new number by the original number
946 - 638 = 308
308 ÷ 638 = 0.4827586206896552
0.4827586206896552 x 100 = 48.28%