-54.45% is the change from 876 to 399
Calculation steps:
[( 399 - 876 ) ÷ 876] x 100 = -54.45%
Formula
Percentage change = [(399 - 876) / 876] x 100
Subtract the new number by the original number
399 - 876 = -477
-477 ÷ 876 = -0.5445205479452054
-0.5445205479452054 x 100 = -54.45%