-28.75% is the change from 960 to 684
Calculation steps:
[( 684 - 960 ) ÷ 960] x 100 = -28.75%
Formula
Percentage change = [(684 - 960) / 960] x 100
Subtract the new number by the original number
684 - 960 = -276
-276 ÷ 960 = -0.2875
-0.2875 x 100 = -28.75%