-91.34% is the change from 878 to 76
Calculation steps:
[( 76 - 878 ) ÷ 878] x 100 = -91.34%
Formula
Percentage change = [(76 - 878) / 878] x 100
Subtract the new number by the original number
76 - 878 = -802
-802 ÷ 878 = -0.9134396355353075
-0.9134396355353075 x 100 = -91.34%