18.39% is the change from 386 to 457
Calculation steps:
[( 457 - 386 ) ÷ 386] x 100 = 18.39%
Formula
Percentage change = [(457 - 386) / 386] x 100
Subtract the new number by the original number
457 - 386 = 71
71 ÷ 386 = 0.18393782383419688
0.18393782383419688 x 100 = 18.39%