53.6% is the change from 250 to 384
Calculation steps:
[( 384 - 250 ) ÷ 250] x 100 = 53.6%
Formula
Percentage change = [(384 - 250) / 250] x 100
Subtract the new number by the original number
384 - 250 = 134
134 ÷ 250 = 0.536
0.536 x 100 = 53.6%
Example