What does the cryptic crossword clue "Hits down by 50% affected archery ranking (9)" mean?

The wordplay uses an anagram. anagram of HI (synonym="HI") + ARCHERY (synonym="ARCHERY") = HIERARCHY The answer is HIERARCHY.

Hits down by 50% affected archery ranking (9)

Independent Cryptic #11704 | 15 Down | 2024-04-15 flower