12.7% is the change from 638 to 719
Calculation steps:
[( 719 - 638 ) ÷ 638] x 100 = 12.7%
Formula
Percentage change = [(719 - 638) / 638] x 100
Subtract the new number by the original number
719 - 638 = 81
81 ÷ 638 = 0.12695924764890282
0.12695924764890282 x 100 = 12.7%