Refresh vs full rewrite. The 30% rule saves me hours.

Refresh vs full rewrite. The 30% rule saves me hours.
Decaying post lands on my desk. The trap is rewriting everything — slow, and you can nuke the rankings you still have.
My decision gate:
— Losing position but still on page 1-2? REFRESH. Update stats, add the 2 missing H2s the SERP now has, tighten intro. Keep the URL and the existing signals.
— Fell off a cliff, intent shifted, or it's flat-out wrong? REWRITE under the same URL, new angle, fresh internal links.
If the new draft shares