-6.96% is the change from 718 to 668
Calculation steps:
[( 668 - 718 ) ÷ 718] x 100 = -6.96%
Formula
Percentage change = [(668 - 718) / 718] x 100
Subtract the new number by the original number
668 - 718 = -50
-50 ÷ 718 = -0.06963788300835655
-0.06963788300835655 x 100 = -6.96%