-6.49% is the change from 863 to 807
Calculation steps:
[( 807 - 863 ) ÷ 863] x 100 = -6.49%
Formula
Percentage change = [(807 - 863) / 863] x 100
Subtract the new number by the original number
807 - 863 = -56
-56 ÷ 863 = -0.06488991888760139
-0.06488991888760139 x 100 = -6.49%