See this answer for example:
community wiki
28 revs, 9 users 37%
Jorge Castro
What does 37% denote?
I looked at What are “Community Wiki” posts? but didn't see an explanation.
4 of 4
replaced http://meta.stackexchange.com/ with https://meta.stackexchange.com/
In answers attributed to "community wiki", what does the percentage value denote?
user25656