-84.4% is the change from 673 to 105
Calculation steps:
[( 105 - 673 ) ÷ 673] x 100 = -84.4%
Formula
Percentage change = [(105 - 673) / 673] x 100
Subtract the new number by the original number
105 - 673 = -568
-568 ÷ 673 = -0.8439821693907875
-0.8439821693907875 x 100 = -84.4%