A youth product of Auxerre since 2014, De Percin signed his first professional contract with the club on 18 March 2021.[2] He made his professional debut with Auxerre in a 3–1 Coupe de France loss to Lille on 18 December 2021.[3]
On 26 June 2024, De Percin was called up to replace the injured Robin Risser in the France Olympic team ahead of the 2024 Summer Olympics.[6] On 4 July, head coach Thierry Henry announced that De Percin had not been selected in the final squad for the competition, but that he would stay with the group as a reserve player in case of an injury.[7]