Can I have a Apple ID on my. Phone change it to my new Apple ID and keep all my apps and data

No -- the instructions in Change your Apple ID - Apple Support are about how to change the email that you use for an Apple ID to a new email without losing any purchases or other data. You then use that new Apple ID email instead of the old one.

Each family member should use their own Apple ID; sharing an Apple ID is usually not a good idea.

Only by changing your Apple ID email address to a new one as described in Change your Apple ID - Apple Support