Date:         Thu, 2 Apr 2009 17:50:47 -0400
Reply-To:     Arthur Tabachneck <art297@NETSCAPE.NET>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Arthur Tabachneck <art297@NETSCAPE.NET>
Subject:      Re: Percentage Change
Comments: To: Andy Sasuser <sas9bi@GMAIL.COM>

If you are trying to state the percent change, or delta, then the 2nd
calculation.  BTW, it can be simplified to .6/.5-1

I.e., .6 is 20% greater than .5.  In absolute terms it increased by .1
somethings.

Art
--------
On Thu, 2 Apr 2009 16:06:26 -0500, sas 9 bi user <sas9bi@GMAIL.COM> wrote:

>All -
>
>Say the first measure has a result of 50%
>Say the 2nd measure has a result of 60%
>
>One could say that there was a 10% percentage point increase from the old
to
>the new measurement - .6 - .5 = 10%
>
>One could also look at it like below:
>
>(.6 - .5 ) / .5 = 20%
>
>which nets 20% change old vs new.
>
>Which is the better one to use or can there be a valid argument for both?
>
>Best!