110.56% is the change from 303 to 638
Calculation steps:
[( 638 - 303 ) ÷ 303] x 100 = 110.56%
Formula
Percentage change = [(638 - 303) / 303] x 100
Subtract the new number by the original number
638 - 303 = 335
335 ÷ 303 = 1.1056105610561056
1.1056105610561056 x 100 = 110.56%