-12.19% is the change from 960 to 843
Calculation steps:
[( 843 - 960 ) ÷ 960] x 100 = -12.19%
Formula
Percentage change = [(843 - 960) / 960] x 100
Subtract the new number by the original number
843 - 960 = -117
-117 ÷ 960 = -0.121875
-0.121875 x 100 = -12.19%