-6.34% is the change from 867 to 812
Calculation steps:
[( 812 - 867 ) ÷ 867] x 100 = -6.34%
Formula
Percentage change = [(812 - 867) / 867] x 100
Subtract the new number by the original number
812 - 867 = -55
-55 ÷ 867 = -0.06343713956170703
-0.06343713956170703 x 100 = -6.34%