-11.27% is the change from 719 to 638
Calculation steps:
[( 638 - 719 ) ÷ 719] x 100 = -11.27%
Formula
Percentage change = [(638 - 719) / 719] x 100
Subtract the new number by the original number
638 - 719 = -81
-81 ÷ 719 = -0.11265646731571627
-0.11265646731571627 x 100 = -11.27%