-54.24% is the change from 872 to 399
Calculation steps:
[( 399 - 872 ) ÷ 872] x 100 = -54.24%
Formula
Percentage change = [(399 - 872) / 872] x 100
Subtract the new number by the original number
399 - 872 = -473
-473 ÷ 872 = -0.5424311926605505
-0.5424311926605505 x 100 = -54.24%