adjust excel report format for more cleaner report rather than dumping raw data

backend/apps/jobs/management/commands/seed_sukawarna_kandang4.py

@@ -324,7 +324,9 @@ class Command(BaseCommand):
             mort_today = MORTALITY[i]
             mort_total_after = mort_total + mort_today
             life = DOC_IN_COUNT - mort_total_after - harvest_total
-            life_pct = life / DOC_IN_COUNT * 100.0 if DOC_IN_COUNT else 0.0
+            # Liveability for EEF: birds still accounted for (DOC minus mortality),
+            # not remaining in-house stock (which drops during harvest).
+            life_pct = (DOC_IN_COUNT - mort_total_after) / DOC_IN_COUNT * 100.0 if DOC_IN_COUNT else 0.0
             # Running averages: flock weight before the first harvest, then the
             # harvest-weighted running mean carried forward on idle days.
             if harvest_today: