-54.71% is the change from 881 to 399
Calculation steps:
[( 399 - 881 ) ÷ 881] x 100 = -54.71%
Formula
Percentage change = [(399 - 881) / 881] x 100
Subtract the new number by the original number
399 - 881 = -482
-482 ÷ 881 = -0.547105561861521
-0.547105561861521 x 100 = -54.71%