8.87% is the change from 586 to 638
Calculation steps:
[( 638 - 586 ) ÷ 586] x 100 = 8.87%
Formula
Percentage change = [(638 - 586) / 586] x 100
Subtract the new number by the original number
638 - 586 = 52
52 ÷ 586 = 0.08873720136518772
0.08873720136518772 x 100 = 8.87%