-88.21% is the change from 865 to 102
Calculation steps:
[( 102 - 865 ) ÷ 865] x 100 = -88.21%
Formula
Percentage change = [(102 - 865) / 865] x 100
Subtract the new number by the original number
102 - 865 = -763
-763 ÷ 865 = -0.8820809248554913
-0.8820809248554913 x 100 = -88.21%