-28.54% is the change from 960 to 686
Calculation steps:
[( 686 - 960 ) ÷ 960] x 100 = -28.54%
Formula
Percentage change = [(686 - 960) / 960] x 100
Subtract the new number by the original number
686 - 960 = -274
-274 ÷ 960 = -0.28541666666666665
-0.28541666666666665 x 100 = -28.54%