West Brom's eight-year stay in the Premier League concluded with a 2-0 defeat at Crystal Palace.
Despite their recent improvement under caretaker manager Darren Moore, goals from Wilfried Zaha and Patrick van Aanholt meant they finished bottom of the table.
Zaha again impressed for the hosts and was rewarded with his ninth goal of the season in the second half, ensuring that what could have been a damaging season for his team finished positively - only goal difference keeps them outside the top 10.
The in-form van Aanholt also scored his third goal in three games, securing all three points in a further show of the remarkable job Roy Hodgson has done in leading Palace to an 11th-placed finish.