-11.14% is the change from 718 to 638
Calculation steps:
[( 638 - 718 ) ÷ 718] x 100 = -11.14%
Formula
Percentage change = [(638 - 718) / 718] x 100
Subtract the new number by the original number
638 - 718 = -80
-80 ÷ 718 = -0.11142061281337047
-0.11142061281337047 x 100 = -11.14%