-90.98% is the change from 865 to 78
Calculation steps:
[( 78 - 865 ) ÷ 865] x 100 = -90.98%
Formula
Percentage change = [(78 - 865) / 865] x 100
Subtract the new number by the original number
78 - 865 = -787
-787 ÷ 865 = -0.9098265895953758
-0.9098265895953758 x 100 = -90.98%