-4.16% is the change from 697 to 668
Calculation steps:
[( 668 - 697 ) ÷ 697] x 100 = -4.16%
Formula
Percentage change = [(668 - 697) / 697] x 100
Subtract the new number by the original number
668 - 697 = -29
-29 ÷ 697 = -0.04160688665710186
-0.04160688665710186 x 100 = -4.16%