Pay As You Go Credit Card I Have Bad Credit. I Want To Rebuild. As I Start To Pay Things Off, How Many Points Will My Credit Score Go Up

I have bad credit. I want to rebuild. As I start to pay things off, how many points will my credit score go up - pay as you go credit card

I have 30 accounts in my report, but not all parts of the medical bills is not my insurance cover. they are all less than 100. My credit score is 504 from that ground. How can I set my guests how to make these things pay off.