44.51% is the change from 638 to 922
Calculation steps:
[( 922 - 638 ) ÷ 638] x 100 = 44.51%
Formula
Percentage change = [(922 - 638) / 638] x 100
Subtract the new number by the original number
922 - 638 = 284
284 ÷ 638 = 0.445141065830721
0.445141065830721 x 100 = 44.51%