8.62% is the change from 638 to 693
Calculation steps:
[( 693 - 638 ) ÷ 638] x 100 = 8.62%
Formula
Percentage change = [(693 - 638) / 638] x 100
Subtract the new number by the original number
693 - 638 = 55
55 ÷ 638 = 0.08620689655172414
0.08620689655172414 x 100 = 8.62%