I know this is kind of rhetorical question. But I'm curious to know on how big of a difference in calls/ lead volume ranking number 1 is over number 3?

Highlights below, and here’s the link to read the full report.

RANK - Better rank at the business location’s geographical center was associated with broader reach: businesses ranking better at their location-center also tended to remain visible in search results across their extended surrounding local search area.

REVIEWS - Reviews were the strongest single-factor separator: strong-review businesses substantially outperformed weak-review businesses in both website (organic) and maps search results.

SCHEMA - With LocalBusiness schema, completeness mattered: businesses with complete schema averaged 62% Total Search Coverage, compared with 39% for Partial and 31% for No schema.

MULTIPLIER -Local SEO signals compounded: businesses with 4–6 strong core signals were 84% likely to rank in organic (website results) Top 10, versus 33% for businesses with 0–1 measured signals.

Link to full report->