-6.56% is the change from 869 to 812
Calculation steps:
[( 812 - 869 ) ÷ 869] x 100 = -6.56%
Formula
Percentage change = [(812 - 869) / 869] x 100
Subtract the new number by the original number
812 - 869 = -57
-57 ÷ 869 = -0.06559263521288838
-0.06559263521288838 x 100 = -6.56%