Percentage.
Publié le 06/12/2021
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Percentage.
Percentage, fraction of a whole number expressed in hundredths. The term "percentage" is derived from the Latin per centum, meaning "per hundred," so the term
represents fractions with the denominator 100. Thus, 20 percent means 20/100. Usually represented by the symbol %, percentage computations are commonly used
today in finance and industry to calculate interest rates, costs, prices, profits, and so on; by the government to determine taxation; and by scientists to evaluate data.
To find the percentage of a number--for example, 20 percent of 40--20 must be changed to a common fraction (20/100) or to a decimal (.20) and the figure multiplied
by the whole (40); thus
To calculate the percentage relationship of one number (4) to another (16), the former is divided by the latter and multiplied by 100; thus 4 ÷ 16 = .25, or 25 percent
If it is known that a number such as 8 is 5 percent of the principal number, the principal is found by dividing 8 by .05 to yield 160. See Arithmetic; Statistics.
Microsoft ® Encarta ® 2009. © 1993-2008 Microsoft Corporation. All rights reserved.
Percentage.
Percentage, fraction of a whole number expressed in hundredths. The term "percentage" is derived from the Latin per centum, meaning "per hundred," so the term
represents fractions with the denominator 100. Thus, 20 percent means 20/100. Usually represented by the symbol %, percentage computations are commonly used
today in finance and industry to calculate interest rates, costs, prices, profits, and so on; by the government to determine taxation; and by scientists to evaluate data.
To find the percentage of a number--for example, 20 percent of 40--20 must be changed to a common fraction (20/100) or to a decimal (.20) and the figure multiplied
by the whole (40); thus
To calculate the percentage relationship of one number (4) to another (16), the former is divided by the latter and multiplied by 100; thus 4 ÷ 16 = .25, or 25 percent
If it is known that a number such as 8 is 5 percent of the principal number, the principal is found by dividing 8 by .05 to yield 160. See Arithmetic; Statistics.
Microsoft ® Encarta ® 2009. © 1993-2008 Microsoft Corporation. All rights reserved.
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