-91.04% is the change from 960 to 86
Calculation steps:
[( 86 - 960 ) ÷ 960] x 100 = -91.04%
Formula
Percentage change = [(86 - 960) / 960] x 100
Subtract the new number by the original number
86 - 960 = -874
-874 ÷ 960 = -0.9104166666666667
-0.9104166666666667 x 100 = -91.04%