-2.09% is the change from 717 to 702
Calculation steps:
[( 702 - 717 ) ÷ 717] x 100 = -2.09%
Formula
Percentage change = [(702 - 717) / 717] x 100
Subtract the new number by the original number
702 - 717 = -15
-15 ÷ 717 = -0.02092050209205021
-0.02092050209205021 x 100 = -2.09%