18.49% is the change from 384 to 455
Calculation steps:
[( 455 - 384 ) ÷ 384] x 100 = 18.49%
Formula
Percentage change = [(455 - 384) / 384] x 100
Subtract the new number by the original number
455 - 384 = 71
71 ÷ 384 = 0.18489583333333334
0.18489583333333334 x 100 = 18.49%