The map marker of my business is not coming up at the right location on the Google Maps link. How can I change it?

Google shows the address you set in your account, in Settings>Business details and logo. Please make sure that the address you input there is correct.

If the address does not show in Google Maps, y
ou can add a place in Google Maps, as you can see in Google's tutorial at https://support.google.com/maps/answer/144361?co=GENIE.Platform%3DDesktop&hl=en