From: Brian Candler <b.candler@...>
Date: 2008-10-23T17:50:48+09:00
Subject: Re: i need to represent data as percentages

Tim Hunter wrote:
> irb(main):008:0> x = 0.86899
> => 0.86899
> irb(main):009:0> "%2d%%" % (x * 100.0)
> => "86%"
> irb(main):010:0>

Or better, if you want round-to-nearest:

irb(main):009:0> "%2.0f%%" % (x * 100)
=> "87%"
irb(main):010:0> "%2.1f%%" % (x * 100)
=> "86.9%"
irb(main):011:0> "%2.2f%%" % (x * 100)
=> "86.90%"
irb(main):012:0> "%2.3f%%" % (x * 100)
=> "86.899%"
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