-53.76% is the change from 878 to 406
Calculation steps:
[( 406 - 878 ) ÷ 878] x 100 = -53.76%
Formula
Percentage change = [(406 - 878) / 878] x 100
Subtract the new number by the original number
406 - 878 = -472
-472 ÷ 878 = -0.5375854214123007
-0.5375854214123007 x 100 = -53.76%