-96.88% is the change from 960 to 30
Calculation steps:
[( 30 - 960 ) ÷ 960] x 100 = -96.88%
Formula
Percentage change = [(30 - 960) / 960] x 100
Subtract the new number by the original number
30 - 960 = -930
-930 ÷ 960 = -0.96875
-0.96875 x 100 = -96.88%