-91.09% is the change from 965 to 86
Calculation steps:
[( 86 - 965 ) ÷ 965] x 100 = -91.09%
Formula
Percentage change = [(86 - 965) / 965] x 100
Subtract the new number by the original number
86 - 965 = -879
-879 ÷ 965 = -0.910880829015544
-0.910880829015544 x 100 = -91.09%