The highest Return to Player (RTP) percentage in gaming refers to the theoretical payout a player can expect from a slot machine or casino game over time. Typically expressed as a percentage, a higher RTP indicates a better chance of winning back a larger portion of wagers. For instance, games with an RTP of 96% suggest that, on average, players can expect to receive $96 for every $100 wagered. Players often seek out high RTP games to maximize their potential returns, making RTP a crucial factor in game selection and strategy.