Allocating the percentage to those on the 1095-A really depend on the personal tax situation for all involved. There isn't a set amount that has to be allocated. In many instances, parents will allocate the amount that their children contribute to the insurance, so if the child pays $0 towards it, they do not allocate anything to them. It is okay to claim 0% on your return.
Get with your parents and see what they have reported or will report and you can all decide together. One method to determine as well as how much the insurance costs for you, this will not be reported on the 1095-A, you would need to see the specific plan to get that number.
Allocating the percentage to those on the 1095-A really depend on the personal tax situation for all involved. There isn't a set amount that has to be allocated. In many instances, parents will allocate the amount that their children contribute to the insurance, so if the child pays $0 towards it, they do not allocate anything to them. It is okay to claim 0% on your return.
Get with your parents and see what they have reported or will report and you can all decide together. One method to determine as well as how much the insurance costs for you, this will not be reported on the 1095-A, you would need to see the specific plan to get that number.