The percentage of the payout shows the estimated rate of return is from the betting business. All the gambling sites with 90 percent payout will return you 90 cents for each dollar you wager at the gambling site.
On the other hand, it is imperative to note that these numbers are drawn from many transactions. Thus, you must not wait for every stake you make. The payout percentage can easily be calculated with the same method whether you play games on online casinos or land-based.