-84.67% is the change from 685 to 105
Calculation steps:
[( 105 - 685 ) ÷ 685] x 100 = -84.67%
Formula
Percentage change = [(105 - 685) / 685] x 100
Subtract the new number by the original number
105 - 685 = -580
-580 ÷ 685 = -0.8467153284671532
-0.8467153284671532 x 100 = -84.67%