SQL Convert from Percentage to Decimal

I have a table which has a varchar field where the data is stored as a percentage, i.e. 2%.  I need to convert this to a decimal but I cannot figure out a convert or cast which will do this?  Suggestions?
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Nitin SontakkeDeveloperCommented:
You didn't mention which database product you are using, an invaluable piece of information in questions like these.

Assuming it is SQL Server, you can try as follows:

declare @percentage varchar(10) = '15.9%';
select convert(decimal(5, 2), replace(@percentage, '%', ''));

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Dustin SaundersDirector of OperationsCommented:
Nitin's answer is appropriate syntax, but don't forget that you will need to divide a whole number by 100 to get the percentage.

15.9% should = 0.159 (rather than 15.90)

declare @percentage varchar(10) = '15.9%';
select (convert(decimal(5, 2), replace(@percentage, '%', '')))/100;

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OuidaAuthor Commented:
Thank you both for your help.  It worked with the added /100!
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