What does the cryptic crossword clue "Treats for a change to some extent (5,1,4)" mean?

The wordplay uses an anagram. anagram of TREATS + FOR + A = AFTERASORT The answer is AFTERASORT.

Treats for a change to some extent (5,1,4)

Daily Mail Cryptic #17566 | 11 Across | 2025-03-03 flower