google sheet calculate average sales per Day

Job ID: 30695169

Budget: $10 – $30 USD

Need to get report calculation of average number of sales per day, and show in a visual chart as well.

and another chart showing the trend what percentage of sales is going up or down on daily basis

https://docs.google.com/spreadsheets/d/1RKeTjtF70vi27f7TQSTYDAlkipbDB7DyGWBOmwoksek/edit?usp=sharing
Related categories: PHP JavaScript Data Processing Data Entry Excel