-85.9% is the change from 773 to 109
Calculation steps:
[( 109 - 773 ) ÷ 773] x 100 = -85.9%
Formula
Percentage change = [(109 - 773) / 773] x 100
Subtract the new number by the original number
109 - 773 = -664
-664 ÷ 773 = -0.8589909443725744
-0.8589909443725744 x 100 = -85.9%