-55.73% is the change from 881 to 390
Calculation steps:
[( 390 - 881 ) ÷ 881] x 100 = -55.73%
Formula
Percentage change = [(390 - 881) / 881] x 100
Subtract the new number by the original number
390 - 881 = -491
-491 ÷ 881 = -0.5573212258796821
-0.5573212258796821 x 100 = -55.73%