-7.69% is the change from 702 to 648
Calculation steps:
[( 648 - 702 ) ÷ 702] x 100 = -7.69%
Formula
Percentage change = [(648 - 702) / 702] x 100
Subtract the new number by the original number
648 - 702 = -54
-54 ÷ 702 = -0.07692307692307693
-0.07692307692307693 x 100 = -7.69%