56.11% is the change from 638 to 996
Calculation steps:
[( 996 - 638 ) ÷ 638] x 100 = 56.11%
Formula
Percentage change = [(996 - 638) / 638] x 100
Subtract the new number by the original number
996 - 638 = 358
358 ÷ 638 = 0.5611285266457681
0.5611285266457681 x 100 = 56.11%