Help with Custom Reports - Percentage Calculation

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        <th>Test Set #</th>

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        <th>Description</th>

        <th>Status</th>

        <th>Release</th>

        <th>Creator</th>

        <th>Owner</th>

        <th># Passed</th>

        <th># Failed</th>

        <th># Caution</th>

        <th># Blocked</th>

        <th># Not Run</th>

  <th>% Passed</th>

 <th>% Failed</th>

        <xsl:for-each select="TestSet[1]/CustomProperties/CustomProperty">

          <th>

            <xsl:value-of select="Alias"/>

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            <xsl:value-of select="OwnerName"/>

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            <xsl:value-of select="CountCaution"/>

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          <td>

            <xsl:value-of select="CountBlocked"/>

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          <td>

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    <td>

 <xsl:value-of select="FolderCountPassed div (FolderCountPassed + FolderCountFailed + FolderCountCaution + FolderCountNotRun + FolderCountBlocked) * 100" />%

 </td>

<td>

   <xsl:value-of select="FolderCountFailed div (FolderCountPassed + FolderCountFailed + FolderCountCaution + FolderCountNotRun + FolderCountBlocked) * 100" />%

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          <xsl:for-each select="CustomProperties/CustomProperty">

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