percent

For every hundred (used with preceding numeral to form a noun phrase expressing a proportion).USnot-comparable

• 10 percent off all swimwear this week!

A percentage, a proportion (especially per hundred).

• only a small percent attain the top ranks

One part per hundred; one percent, hundredth.

• And from 1966, under Regulation Q, there was a ceiling of 5.5 per cent on their deposit rates, a quarter of a per cent more than banks were allowed to pay.

The percent sign, %.

An annuity or security with a certain fixed and guaranteed annual percentage rate of return or percentage dividend.

• Why, from the pleasant and businesslike manner in which the transaction is carried out, it might be a large purchase in the three per cents. Yet what a piece of work a man makes of his first "pop."
• picking up on a phrase that was used as early as 1752, Benjamin Disraeli famously referred to the “sweet simplicity of the three percents in his novel Endymion (1880) because of the reliable dividend this form of investment provided.

Per hundred.

• By how many percent did the cancer survival rate for breast cancer increase by 2008?