-86.39% is the change from 830 to 113
Calculation steps:
[( 113 - 830 ) ÷ 830] x 100 = -86.39%
Formula
Percentage change = [(113 - 830) / 830] x 100
Subtract the new number by the original number
113 - 830 = -717
-717 ÷ 830 = -0.863855421686747
-0.863855421686747 x 100 = -86.39%