As far as I am aware of it's reinstated if आप rejoin but if आप left the club. The medal progress is removed. I know because I left a club with a diehard before.
Im not sure bc i never left क्लब्स cuz im too lazy to go through and leave jalf of my क्लब्स like i want to bc i joined them for no reason या never use them. But pretty sure u will lose the badge.