-84.69% is the change from 686 to 105
Calculation steps:
[( 105 - 686 ) ÷ 686] x 100 = -84.69%
Formula
Percentage change = [(105 - 686) / 686] x 100
Subtract the new number by the original number
105 - 686 = -581
-581 ÷ 686 = -0.8469387755102041
-0.8469387755102041 x 100 = -84.69%