How do I locate my own employment background?

How do employers get my employment background?

How do I locate my own employment background?
u have to pay to get that information but employers get it through a nationwide search. some just go by what u tell them. employers pay a fee when they do criminal record checks worldwide. but if u want to pay for that info. all u have to do is go to website that tell u about a background check. when i did it i had to pay 49.00 dollars and that was one thing that came up employment background