-53.71% is the change from 862 to 399
Calculation steps:
[( 399 - 862 ) ÷ 862] x 100 = -53.71%
Formula
Percentage change = [(399 - 862) / 862] x 100
Subtract the new number by the original number
399 - 862 = -463
-463 ÷ 862 = -0.537122969837587
-0.537122969837587 x 100 = -53.71%