65.71% is the change from 385 to 638
Calculation steps:
[( 638 - 385 ) ÷ 385] x 100 = 65.71%
Formula
Percentage change = [(638 - 385) / 385] x 100
Subtract the new number by the original number
638 - 385 = 253
253 ÷ 385 = 0.6571428571428571
0.6571428571428571 x 100 = 65.71%