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Full rewrite for clarity. The old version was correct, but I believe it was a bit too technical.
A '''Percent''' is a measure of an amount to a another amount shown as a numeric value. It is represented based on the second number being considered to consist of 100 equally sized units, so an amount that equals the second value would be 100%, whereas a amount that is half of the second value would be represented as 50% and an amount that is double the second value would be represented as 200%.
A '''percent''' (literally, "per cent" means "per hundred") is another way of expressing a [[fraction]]. Instead of allowing any [[denominator]], a percent always has a denominator of 100.
There is a special notation based on this concept: When the denominator is 100, it is omitted, and the [[numerator]] is usually followed by a the percent sign "%". For example, one percent (or simply "1%") would be 1/100, and 1/4 would be 25%.
[[Category:Mathematics]]
[[Category:Mathematics]]