To calculate the return on gambling, subtract the total amount of money wagered from the total amount won and divide it by the total amount wagered. Multiply the result by 100 to get the percentage return.
Calculating the return on gambling is an important aspect for any individual who wants to assess the profitability of their betting activities. By understanding how to calculate this metric, gamblers can evaluate their success rate and make informed decisions regarding their gambling strategies. Let’s delve into the detailed explanation of how to calculate the return on gambling, along with some interesting facts and a relevant quote.
To calculate the return on gambling, you can follow these steps:

Subtract the total amount wagered from the total amount won: Begin by subtracting the total amount of money wagered from the total amount won. This will give you the net profit or loss from your gambling activities.

Divide the net profit or loss by the total amount wagered: Divide the net profit or loss obtained in the previous step by the total amount wagered. This will give you the return ratio, which represents the profitability of your gambling endeavors.

Multiply the result by 100 to get the percentage return: Once you have the return ratio, multiply it by 100 to convert it into a percentage. This will provide you with the percentage return on your gambling investment, indicating how much you gained or lost in relation to the amount wagered.
A famous quote by legendary professional gambler Amarillo Slim reflects the essence of gambling and its inherent risks: “Gambling is not about how well you play the games, it’s really about how well you handle your money.”
Interesting facts about gambling returns:

The concept of calculating returns is not only applicable to individual bets but also to overall gambling activities. This allows you to analyze your longterm success in gambling.

Return on gambling is a measure used by both professional and recreational gamblers to determine their profitability and assess the effectiveness of their strategies.

The return on gambling can vary significantly depending on the type of game or bet. Certain games, such as blackjack or poker, offer higher chances of winning and potentially higher returns compared to games like slot machines, which have lower odds.

It’s important to remember that calculating the return on gambling does not guarantee future success. Gambling outcomes are inherently based on chance, and individual results can fluctuate greatly.
Here is an example of how you can present the calculation of return on gambling in a table:
Total Amount Wagered  Total Amount Won  Net Profit or Loss  Return Ratio  Percentage Return 

$1000  $1500  $500  0.5  50% 
In summary, calculating the return on gambling entails subtracting the total amount wagered from the total amount won, dividing it by the total amount wagered, and multiplying the result by 100 to obtain the percentage return. While it is a useful metric to gauge profitability, gambling should always be approached responsibly, as outcomes are inherently subject to chance. As Amarillo Slim wisely noted, managing one’s money effectively is a crucial aspect of the gambling experience.
Related video
In this video about calculating Return to Player (RTP) in online casino games, the concept of RTP percentage is explained. RTP is the payout percentage of a game and determines the amount of money you can expect to receive from your wagers. It is recommended to choose games with a high RTP, as they increase your chances of winning. An RTP of 96% or higher is ideal for online slots, while an RTP of 92% is considered low. The video also provides two game recommendations, “Good Girl Bad Girl” and “Safari Sam,” both with RTPs over 97%. To find the RTP of a game, you can check the game’s information section or visit the website mentioned in the video.
Further answers can be found here
Essentially we have taken the gains from our bets and then divided that by the total cost of investment — or the amount of money we have put at risk. One of the reasons this number is so important is that is helps us determine if a system is truly profitable.
Here are the steps for calculating:
 1) Calculate The Implied Probability This one is pretty easy. To cheat, please use the Implied Probability Calculator Implied Probability = (1* (Odds)) / (1 (Odds) + 100) Which looks like this:
 2) Calculate The Expected Average Winnings This one is easier than it sounds. First we need the decimal odds:
 3) Calculate The ROI Using The Winnings
I am confident you will be intrigued
 When the odds are negative, change the number to positive and use this formula: 100/Odds * Stake = Profit.
 When the odds are positive: Odds/100 * Stake = Profit.