-9.02% is the change from 965 to 878
Calculation steps:
[( 878 - 965 ) ÷ 965] x 100 = -9.02%
Formula
Percentage change = [(878 - 965) / 965] x 100
Subtract the new number by the original number
878 - 965 = -87
-87 ÷ 965 = -0.09015544041450778
-0.09015544041450778 x 100 = -9.02%