Excel: Formula Not working

Hi, Wonder if anyone can tell me wants wrong with my formula? =IF($B3=Breakdown!$B8,SUMIF($Q$4:$MQ$4,"=Paving & Roadways",$Q8:$MQ8)/Breakdown!O8*100,"") I am trying to find the percentage that the contributions for "Paving & Roadways" make up of the annual total received. I am completely lost as to why it is not working Thanks in advance.

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This thread is current as of September 05, 2014.

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