-86.82% is the change from 827 to 109
Calculation steps:
[( 109 - 827 ) ÷ 827] x 100 = -86.82%
Formula
Percentage change = [(109 - 827) / 827] x 100
Subtract the new number by the original number
109 - 827 = -718
-718 ÷ 827 = -0.8681983071342201
-0.8681983071342201 x 100 = -86.82%