Editing Percentage (section)

{{short description|Number or ratio expressed as a fraction of 100}}
{{Redirect|Per cent|the unit of currency|cent (currency)}}
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{{Use dmy dates|date=October 2020}}
[[File:Web-browser usage on Wikimedia.svg|thumb|A [[pie chart]] showing the '''percentage''' by web browser visiting [[Wikimedia Foundation|Wikimedia]] sites (April 2009 to 2012)]]

In [[mathematics]], a '''percentage''' ({{etymology|la|{{wikt-lang|la|per centum}}|by a hundred}}) is a number or [[ratio]] expressed as a [[fraction (mathematics)|fraction]] of 100. It is often [[Denotation|denoted]] using the ''[[percent sign]]'' (%),<ref>{{cite web |title=Introduction to Percents |url=https://mathsisfun.com/percentage.html |website=mathsisfun.com |access-date=2020-08-28}}</ref> although the abbreviations ''pct.'', ''pct'', and sometimes ''pc'' are also used.<ref>{{cite news |last=Dakers|first=Marion |date=7 January 2015 |url=https://www.telegraph.co.uk/finance/economics/11329769/Eurozone-officially-falls-into-deflation-piling-pressure-on-ECB.html |title=Eurozone Officially Falls into Deflation, Piling Pressure on ECB |newspaper=[[The Daily Telegraph]] |access-date=2019-12-27}}</ref> A percentage is a [[dimensionless quantity|dimensionless number]] (pure number), primarily used for expressing proportions, but percent is nonetheless a [[unit of measurement]] in its orthography and usage.<ref>{{cite book |last1=Mattock |first1=Peter |title=Conceptual Maths: Teaching 'about' (rather than just 'how to do') mathematics in schools |date=5 January 2023 |publisher=Crown House Publishing Ltd |isbn=978-1-78583-618-3 |page=269 |url=https://books.google.com/books?id=FZVfEAAAQBAJ&pg=PT269 |language=en}}</ref>