Search for [michael jordan] and you will see his knowledge panel on the right side of the page. What you will also see a section about his net worth that says "1.65 billion USD (2018) Forbes, Trending." That fact I guess is trending and Google wants searchers to know.
Google did add trending for the people also search for box under the knowledge panel several months ago but in this spot, it does look new to me.
Sergey Alakov spotted it and it shows not just for people but also places:
Forum discussion at Twitter.