61.11% is the change from 396 to 638
Calculation steps:
[( 638 - 396 ) ÷ 396] x 100 = 61.11%
Formula
Percentage change = [(638 - 396) / 396] x 100
Subtract the new number by the original number
638 - 396 = 242
242 ÷ 396 = 0.6111111111111112
0.6111111111111112 x 100 = 61.11%