-82.91% is the change from 673 to 115
Calculation steps:
[( 115 - 673 ) ÷ 673] x 100 = -82.91%
Formula
Percentage change = [(115 - 673) / 673] x 100
Subtract the new number by the original number
115 - 673 = -558
-558 ÷ 673 = -0.8291233283803864
-0.8291233283803864 x 100 = -82.91%