-54.33% is the change from 878 to 401
Calculation steps:
[( 401 - 878 ) ÷ 878] x 100 = -54.33%
Formula
Percentage change = [(401 - 878) / 878] x 100
Subtract the new number by the original number
401 - 878 = -477
-477 ÷ 878 = -0.5432801822323462
-0.5432801822323462 x 100 = -54.33%