-8.55% is the change from 702 to 642
Calculation steps:
[( 642 - 702 ) ÷ 702] x 100 = -8.55%
Formula
Percentage change = [(642 - 702) / 702] x 100
Subtract the new number by the original number
642 - 702 = -60
-60 ÷ 702 = -0.08547008547008547
-0.08547008547008547 x 100 = -8.55%