-3.88% is the change from 695 to 668
Calculation steps:
[( 668 - 695 ) ÷ 695] x 100 = -3.88%
Formula
Percentage change = [(668 - 695) / 695] x 100
Subtract the new number by the original number
668 - 695 = -27
-27 ÷ 695 = -0.03884892086330935
-0.03884892086330935 x 100 = -3.88%