A fraction or ratio with 100 understood as the denominator; for example, 0.98 equals a percentage of 98. The result obtained by multiplying a quantity by a percent. A proportion or share in relation to a whole; a part: The hecklers constituted only a small percentage of the audience. An amount, such as an allowance, duty, or commission, that varies in proportion to a larger sum, such as total sales: work for a percentage. Informal Advantage; gain: There is no percentage in work without pay.