-28.13% is the change from 960 to 690
Calculation steps:
[( 690 - 960 ) ÷ 960] x 100 = -28.13%
Formula
Percentage change = [(690 - 960) / 960] x 100
Subtract the new number by the original number
690 - 960 = -270
-270 ÷ 960 = -0.28125
-0.28125 x 100 = -28.13%