The phrase "cent turnout" refers to the percentage or number of people who show up or participate in a particular event or activity. It indicates how many individuals turn up out of a hundred. Full definition
Even those 25 to 34 couldn't quite manage a 50 per cent turnout. (thetyee.ca)
Andrew RT Davies won with some 53.1 per cent of the vote on a 49 per cent turnout of the party's Welsh membership. (en.wikipedia.org)
The overall turnout this year was 34.5 %, down considerably from the previous year's general election turnout at 43.9 per cent turnout in Sheffield. (en.wikipedia.org)