Percentage (%) of bets: The proportion of bets made on a side of a wager.We track betting data at a variety of sportsbooks, including 'percentage of bets' and 'percentage of money' on every NFL game and bet type. How to Use Public Betting and Money Percentages in NFL Betting Not every wager is the same amount, however, and NFL bettors who pay attention to The Action Network's public betting data can spot sharp bets. There's no bigger league in the United States than the NFL, and that's translated to a lot of money wagered on the sport now that online sports betting is legal in several states.