-54.38% is the change from 879 to 401
Calculation steps:
[( 401 - 879 ) ÷ 879] x 100 = -54.38%
Formula
Percentage change = [(401 - 879) / 879] x 100
Subtract the new number by the original number
401 - 879 = -478
-478 ÷ 879 = -0.5437997724687145
-0.5437997724687145 x 100 = -54.38%