A ‘Percentage In Point’ is generally, though not always, the fourth decimal place, i.e. 0.0001. Traditionally, a pip was the smallest point by which a forex rate could move; with modern advances in precision this is no longer the case, though.
Risk Warning: Spread bets are leveraged products. Spread betting may not be suitable for everyone and can result in losses that exceed your initial deposit, so please ensure that you fully understand the risks involved.