9.25% is the change from 638 to 697
Calculation steps:
[( 697 - 638 ) ÷ 638] x 100 = 9.25%
Formula
Percentage change = [(697 - 638) / 638] x 100
Subtract the new number by the original number
697 - 638 = 59
59 ÷ 638 = 0.09247648902821316
0.09247648902821316 x 100 = 9.25%