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  2. Percentage - Wikipedia

    en.wikipedia.org/wiki/Percentage

    To calculate a percentage of a percentage, convert both percentages to fractions of 100, or to decimals, and multiply them. For example, 50% of 40% is: ⁠ 50 / 100 ⁠ × ⁠ 40 / 100 ⁠ = 0.50 × 0.40 = 0.20 = ⁠ 20 / 100 ⁠ = 20%. It is not correct to divide by 100 and use the percent sign at the same time; it would literally imply ...

  3. Alcohol by volume - Wikipedia

    en.wikipedia.org/wiki/Alcohol_by_volume

    Alcohol by volume (abbreviated as alc/vol or ABV) is a standard measure of the volume of alcohol contained in a given volume of an alcoholic beverage, expressed as a volume percent. [ 1 ][ 2 ][ 3 ] It is defined as the number of millilitres (mL) of pure ethanol present in 100 mL (3.5 imp fl oz; 3.4 US fl oz) of solution at 20 °C (68 °F).

  4. Percentage point - Wikipedia

    en.wikipedia.org/wiki/Percentage_point

    A percentage point or percent point is the unit for the arithmetic difference between two percentages. For example, moving up from 40 percent to 44 percent is an increase of 4 percentage points (although it is a 10-percent increase in the quantity being measured, if the total amount remains the same). [ 1 ]

  5. Percent-encoding - Wikipedia

    en.wikipedia.org/wiki/Percent-encoding

    URL encoding, officially known as percent-encoding, is a method to encode arbitrary data in a uniform resource identifier (URI) using only the US-ASCII characters legal within a URI. Although it is known as URL encoding , it is also used more generally within the main Uniform Resource Identifier (URI) set, which includes both Uniform Resource ...

  6. Grade (slope) - Wikipedia

    en.wikipedia.org/wiki/Grade_(slope)

    20.3° 37%: 370‰ 1 in 2.70 ... 7.12° 12.5%: 125‰ 1 in 8 ... The steepest at 41 percent is the block of Bradford Street above Tompkins Avenue in the Bernal ...

  7. Percent sign - Wikipedia

    en.wikipedia.org/wiki/Percent_sign

    In Czech and in Slovak, the percent sign is spaced with a non-breaking space if the number is used as a noun. [11] In Czech, no space is inserted if the number is used as an adjective (e.g. "a 50% increase"), [12] whereas Slovak uses a non-breaking space in this case as well. [13] In Croatian, the percent sign is spaced [14] with a non-breaking ...

  8. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    Percentage [citation needed] Grades: Description: ... (30 per semester). Most institutions either use a 7.5, 8, 10, 12, 15 or 20-credit block system. Poland

  9. 68–95–99.7 rule - Wikipedia

    en.wikipedia.org/wiki/68–95–99.7_rule

    In statistics, the 68–95–99.7 rule, also known as the empirical rule, and sometimes abbreviated 3sr, is a shorthand used to remember the percentage of values that lie within an interval estimate in a normal distribution: approximately 68%, 95%, and 99.7% of the values lie within one, two, and three standard deviations of the mean, respectively.