-6.69% is the change from 718 to 670
Calculation steps:
[( 670 - 718 ) ÷ 718] x 100 = -6.69%
Formula
Percentage change = [(670 - 718) / 718] x 100
Subtract the new number by the original number
670 - 718 = -48
-48 ÷ 718 = -0.06685236768802229
-0.06685236768802229 x 100 = -6.69%