-8.97% is the change from 847 to 771
Calculation steps:
[( 771 - 847 ) ÷ 847] x 100 = -8.97%
Formula
Percentage change = [(771 - 847) / 847] x 100
Subtract the new number by the original number
771 - 847 = -76
-76 ÷ 847 = -0.089728453364817
-0.089728453364817 x 100 = -8.97%