-64.24% is the change from 878 to 314
Calculation steps:
[( 314 - 878 ) ÷ 878] x 100 = -64.24%
Formula
Percentage change = [(314 - 878) / 878] x 100
Subtract the new number by the original number
314 - 878 = -564
-564 ÷ 878 = -0.642369020501139
-0.642369020501139 x 100 = -64.24%