-6.77% is the change from 827 to 771
Calculation steps:
[( 771 - 827 ) ÷ 827] x 100 = -6.77%
Formula
Percentage change = [(771 - 827) / 827] x 100
Subtract the new number by the original number
771 - 827 = -56
-56 ÷ 827 = -0.06771463119709795
-0.06771463119709795 x 100 = -6.77%