-13.08% is the change from 734 to 638
Calculation steps:
[( 638 - 734 ) ÷ 734] x 100 = -13.08%
Formula
Percentage change = [(638 - 734) / 734] x 100
Subtract the new number by the original number
638 - 734 = -96
-96 ÷ 734 = -0.1307901907356948
-0.1307901907356948 x 100 = -13.08%