Local Pack Ranking Dip

I lost local pack rank for "city keyword" and am now in the sixth local pack position, even though I was constantly in the top three previously. For this specific query, I am the top position in SERP. In this city, I have multiple locations, all of which have comparable, if not better ratings and quantity of reviews than the competitors currently in the top 3. I also post to GMB more often than competitors.
I do/can show up in both the local pack and top position in SERP for "keyword near...

Local Pack Ranking Dip

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