186.1% is the change from 223 to 638
Calculation steps:
[( 638 - 223 ) ÷ 223] x 100 = 186.1%
Formula
Percentage change = [(638 - 223) / 223] x 100
Subtract the new number by the original number
638 - 223 = 415
415 ÷ 223 = 1.8609865470852018
1.8609865470852018 x 100 = 186.1%