-8.03% is the change from 847 to 779
Calculation steps:
[( 779 - 847 ) ÷ 847] x 100 = -8.03%
Formula
Percentage change = [(779 - 847) / 847] x 100
Subtract the new number by the original number
779 - 847 = -68
-68 ÷ 847 = -0.08028335301062574
-0.08028335301062574 x 100 = -8.03%