-65.63% is the change from 960 to 330
Calculation steps:
[( 330 - 960 ) ÷ 960] x 100 = -65.63%
Formula
Percentage change = [(330 - 960) / 960] x 100
Subtract the new number by the original number
330 - 960 = -630
-630 ÷ 960 = -0.65625
-0.65625 x 100 = -65.63%