-93.28% is the change from 685 to 46
Calculation steps:
[( 46 - 685 ) ÷ 685] x 100 = -93.28%
Formula
Percentage change = [(46 - 685) / 685] x 100
Subtract the new number by the original number
46 - 685 = -639
-639 ÷ 685 = -0.9328467153284672
-0.9328467153284672 x 100 = -93.28%