According to Vastu Shastra the best place to sit for success is in South West corner and facing North side. If there is sufficient space in your showroom, then you have to sit this place.
Your recent direction to sit is wrong and other flat is wash room which is above your head. For increasing in your business you have to sit at South West corner. Your face should be North and customer face should be in front of your face.
For success in your business you should fix a picture of Ganesh/Lakshmi at North East corner. Electric metre and switch board should be South East corner. Your main table should be in front of your face with computer and other articles.