-3.92% is the change from 867 to 833
Calculation steps:
[( 833 - 867 ) ÷ 867] x 100 = -3.92%
Formula
Percentage change = [(833 - 867) / 867] x 100
Subtract the new number by the original number
833 - 867 = -34
-34 ÷ 867 = -0.0392156862745098
-0.0392156862745098 x 100 = -3.92%