Daily Sales Tracker Created Web based - repost

I have an excel spreadsheet that i created that tracks our sales daily, i want to turn this into a web based software to make things simplified. It has to be able to add/delete users easily, add/delete/change products easily, it has to be able to change our point system easily, it has to jump to different dates and years easily. I want a nice structured user interface. I want to also have a summary page, that gives you the top rankings, the most sold products, most points by employee.