55.89% is the change from 399 to 622
Calculation steps:
[( 622 - 399 ) ÷ 399] x 100 = 55.89%
Formula
Percentage change = [(622 - 399) / 399] x 100
Subtract the new number by the original number
622 - 399 = 223
223 ÷ 399 = 0.5588972431077694
0.5588972431077694 x 100 = 55.89%