-50.37% is the change from 808 to 401
Calculation steps:
[( 401 - 808 ) ÷ 808] x 100 = -50.37%
Formula
Percentage change = [(401 - 808) / 808] x 100
Subtract the new number by the original number
401 - 808 = -407
-407 ÷ 808 = -0.5037128712871287
-0.5037128712871287 x 100 = -50.37%