15.68% is the change from 389 to 450
Calculation steps:
[( 450 - 389 ) ÷ 389] x 100 = 15.68%
Formula
Percentage change = [(450 - 389) / 389] x 100
Subtract the new number by the original number
450 - 389 = 61
61 ÷ 389 = 0.15681233933161953
0.15681233933161953 x 100 = 15.68%