-53.64% is the change from 878 to 407
Calculation steps:
[( 407 - 878 ) ÷ 878] x 100 = -53.64%
Formula
Percentage change = [(407 - 878) / 878] x 100
Subtract the new number by the original number
407 - 878 = -471
-471 ÷ 878 = -0.5364464692482915
-0.5364464692482915 x 100 = -53.64%