-3.46% is the change from 867 to 837
Calculation steps:
[( 837 - 867 ) ÷ 867] x 100 = -3.46%
Formula
Percentage change = [(837 - 867) / 867] x 100
Subtract the new number by the original number
837 - 867 = -30
-30 ÷ 867 = -0.03460207612456748
-0.03460207612456748 x 100 = -3.46%