-91.15% is the change from 960 to 85
Calculation steps:
[( 85 - 960 ) ÷ 960] x 100 = -91.15%
Formula
Percentage change = [(85 - 960) / 960] x 100
Subtract the new number by the original number
85 - 960 = -875
-875 ÷ 960 = -0.9114583333333334
-0.9114583333333334 x 100 = -91.15%