-86.01% is the change from 779 to 109
Calculation steps:
[( 109 - 779 ) ÷ 779] x 100 = -86.01%
Formula
Percentage change = [(109 - 779) / 779] x 100
Subtract the new number by the original number
109 - 779 = -670
-670 ÷ 779 = -0.8600770218228498
-0.8600770218228498 x 100 = -86.01%