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The FormatPercent Function

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The FormatPercent function returns an expression formatted as a percentage (multiplied by 100) with a trailing % character.

Syntax

FormatPercent(Expression[,NumDigAfterDec[,
IncLeadingDig[,UseParForNegNum[,GroupDig]]]])

Parameter Description
expression Required. The expression to be formatted
NumDigAfterDec Optional. Indicates how many places to the right of the decimal are displayed. Default is -1 (the computer's regional settings are used)
IncLeadingDig Optional. Indicates whether or not a leading zero is displayed for fractional values:
  • -2 = TristateUseDefault - Use the computer's regional settings
  • -1 = TristateTrue - True
  • 0 = TristateFalse - False
UseParForNegNum Optional. Indicates whether or not to place negative values within parentheses:
  • -2 = TristateUseDefault - Use the computer's regional settings
  • -1 = TristateTrue - True
  • 0 = TristateFalse - False
GroupDig Optional. Indicates whether or not numbers are grouped using the group delimiter specified in the computer's regional settings:
  • -2 = TristateUseDefault - Use the computer's regional settings
  • -1 = TristateTrue - True
  • 0 = TristateFalse - False

Example 1

'How many percent is 6 of 345?
document.write(FormatPercent(6/345))
Output:
1.74%

Example 2

'How many percent is 6 of 345?
document.write(FormatPercent(6/345,1))
Output:
1.7%

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