-49.48% is the change from 867 to 438
Calculation steps:
[( 438 - 867 ) ÷ 867] x 100 = -49.48%
Formula
Percentage change = [(438 - 867) / 867] x 100
Subtract the new number by the original number
438 - 867 = -429
-429 ÷ 867 = -0.49480968858131485
-0.49480968858131485 x 100 = -49.48%