So, out of $500, you would receive $490 of that back. Therefore your expected returns (return to player), would be $490.00: You have $500 and spend this on the popular pokies games Blood Suckers. RTP is the expected percentage of the player’s original investment that is expected to be returned over a prolonged playing period. This is a basic principle applied to all types of casino games including the best online slots payout percentage. So what are games RTP and what does it mean for you, the player? They are just interchangeable words for the same function. People sometimes think these terms have different meanings – they don’t. RTP & Payout Percentage = Have the same meaning Knowing the phrases will help you understand how winnings are calculated, and how online gambling sites work. First, you must have an understanding of what these terms mean.