If you need to determine the payout percentage, ask a casino employee or check the machine payout table.īonus rounds are additional games in the 77slotsuper machine that can improve your chances of winning. It means that the machine pays 95 cents for every dollar wagered. Look for slot machines with a payout percentage of 95% or higher. The higher the payout percentage, the higher your chances of winning. Select a slot machine with a high payout percentage