-20.27% is the change from 878 to 700
Calculation steps:
[( 700 - 878 ) ÷ 878] x 100 = -20.27%
Formula
Percentage change = [(700 - 878) / 878] x 100
Subtract the new number by the original number
700 - 878 = -178
-178 ÷ 878 = -0.20273348519362186
-0.20273348519362186 x 100 = -20.27%