45.77% is the change from 638 to 930
Calculation steps:
[( 930 - 638 ) ÷ 638] x 100 = 45.77%
Formula
Percentage change = [(930 - 638) / 638] x 100
Subtract the new number by the original number
930 - 638 = 292
292 ÷ 638 = 0.45768025078369906
0.45768025078369906 x 100 = 45.77%