Re: [libreoffice-users] Re: How do add percentage in Calc?

At 17:33 14/02/2015 +0000, Ronnie Ronly wrote:
> I wanted to take a fixed dollar amount, an average of percentages 
> and the dollar amount from the sum of the average. In other words: I 
> am given $39,583.73 and based on 4.29% I receive $1,698.50
>
> (Curr. Fmt)  (% FMT)
> Column A     Column B                Column C
>                2.30
>                3.10
>                ...
>
> $39,583.73  =AVERAGE(B1:B11)   =SUM(A13*B13)

Er, so what is the question, please?

> This example:
> Where $39,583.73 is cell A13

Your currency vales in column A should be entered as numbers, without 
the $ sign or the comma (and not as text), and formatted as Currency. 
Is that what you have?

> Where =AVERAGE(B1:B11) is cell B13 & should display 0.0429090909

The average of the numbers you have supplied is 4.29, of course, not 
0.429 - which is 4.29%. The best way to handle column B is to format 
the column *first* as Percent and then enter the values as numbers - 
2.30 and so on - so that the display is 2.30% but the actual 
numerical value stored will be 0.023 and so on: the actual fractions 
that you need. If these were genuinely formatted as Percent you would 
see % signs, so it seems that you have not done this.

> Where =SUM(A13*B13) is cell C13 ...

I understand =A13*B13 - but you are trying to sum this with nothing! 
SUM() means "add all these up", not just "please do a calculation for 
me". Use just =A13*B13 .

> ... & should display $1,698.50

If you do as above and format column C (or just cell C13) as 
Currency, that is indeed what you should see.

I trust this helps.

Brian Barker


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