61.52% is the change from 395 to 638
Calculation steps:
[( 638 - 395 ) ÷ 395] x 100 = 61.52%
Formula
Percentage change = [(638 - 395) / 395] x 100
Subtract the new number by the original number
638 - 395 = 243
243 ÷ 395 = 0.6151898734177215
0.6151898734177215 x 100 = 61.52%