-8.4% is the change from 702 to 643
Calculation steps:
[( 643 - 702 ) ÷ 702] x 100 = -8.4%
Formula
Percentage change = [(643 - 702) / 702] x 100
Subtract the new number by the original number
643 - 702 = -59
-59 ÷ 702 = -0.08404558404558404
-0.08404558404558404 x 100 = -8.4%