-90.31% is the change from 960 to 93
Calculation steps:
[( 93 - 960 ) ÷ 960] x 100 = -90.31%
Formula
Percentage change = [(93 - 960) / 960] x 100
Subtract the new number by the original number
93 - 960 = -867
-867 ÷ 960 = -0.903125
-0.903125 x 100 = -90.31%