It's been 1 week, the scale is a super inaccurate tool due to fluctuation in water and all kinds of stuff. The geomagnetic shift could cause... see scales suck.
Go by how you feel and look. You say you cut down on sugar dramatically? Just cut it out all together. That'll make the biggest difference.
Then you need to read this by shelby:
Read this by Mike Nelson:
It's a good thing if you're not on I3G or the V-Diet
Then when it comes to your weight- don't go light! Go heavy! Staying heavy helps preserve the muscle because it tells your body "hey I need to keep using these muscles, so I shouldn't eat them for energy, let's try fat."
Or since this is the V-Diet log thread- do the V-Diet and get it done and over with ( plus it will break and bad habits you still have that could be hurting your results )