Now you know the major causes of poor sales and how to eliminate them. You, as a leader, need to understand them and start working on them. Staff motivation, various courses for employees, financial motivation for employees, market analysis, product development — all this will help you increase your sales.
You may have to change your strategy or your approach; in today's market you need to be flexible to survive. Everything is in your hands, and you, as a leader, must cope with it.