it depends what you have in it. usually the piercer puts in a loop with a bead hiding the space. So if that's what it is then u should just be able to take pliers and bend the ring out of the bead. Make sure to catch the bead though!
That is a job for a professional body piercer, they need to measure the tragus to ensure the right size of jewellery is used. Not all traguses are the same. So see your professional body piercer for...