-49.6% is the change from 867 to 437
Calculation steps:
[( 437 - 867 ) ÷ 867] x 100 = -49.6%
Formula
Percentage change = [(437 - 867) / 867] x 100
Subtract the new number by the original number
437 - 867 = -430
-430 ÷ 867 = -0.49596309111880044
-0.49596309111880044 x 100 = -49.6%