-2.79% is the change from 717 to 697
Calculation steps:
[( 697 - 717 ) ÷ 717] x 100 = -2.79%
Formula
Percentage change = [(697 - 717) / 717] x 100
Subtract the new number by the original number
697 - 717 = -20
-20 ÷ 717 = -0.02789400278940028
-0.02789400278940028 x 100 = -2.79%