-10.22% is the change from 861 to 773
Calculation steps:
[( 773 - 861 ) ÷ 861] x 100 = -10.22%
Formula
Percentage change = [(773 - 861) / 861] x 100
Subtract the new number by the original number
773 - 861 = -88
-88 ÷ 861 = -0.10220673635307782
-0.10220673635307782 x 100 = -10.22%