42.67% is the change from 389 to 555
Calculation steps:
[( 555 - 389 ) ÷ 389] x 100 = 42.67%
Formula
Percentage change = [(555 - 389) / 389] x 100
Subtract the new number by the original number
555 - 389 = 166
166 ÷ 389 = 0.4267352185089974
0.4267352185089974 x 100 = 42.67%