43.37% is the change from 445 to 638
Calculation steps:
[( 638 - 445 ) ÷ 445] x 100 = 43.37%
Formula
Percentage change = [(638 - 445) / 445] x 100
Subtract the new number by the original number
638 - 445 = 193
193 ÷ 445 = 0.4337078651685393
0.4337078651685393 x 100 = 43.37%