-53.06% is the change from 865 to 406
Calculation steps:
[( 406 - 865 ) ÷ 865] x 100 = -53.06%
Formula
Percentage change = [(406 - 865) / 865] x 100
Subtract the new number by the original number
406 - 865 = -459
-459 ÷ 865 = -0.530635838150289
-0.530635838150289 x 100 = -53.06%