-3.94% is the change from 686 to 659
Calculation steps:
[( 659 - 686 ) ÷ 686] x 100 = -3.94%
Formula
Percentage change = [(659 - 686) / 686] x 100
Subtract the new number by the original number
659 - 686 = -27
-27 ÷ 686 = -0.03935860058309038
-0.03935860058309038 x 100 = -3.94%