Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Mari Manoogian
Table title:
Electoral History
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=2 rowspan=1 > Party </th><th colspan=1 rowspan=1 > Candidate </th><th colspan=1 rowspan=1 > Votes </th><th colspan=1 rowspan=1 > % </th></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Democratic </td><td class="highlighted"  colspan=1 rowspan=1 > Mari Manoogian </td><td colspan=1 rowspan=1 > 30,223 </td><td class="highlighted"  colspan=1 rowspan=1 > 56.5 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Republican </td><td class="highlighted"  colspan=1 rowspan=1 > David Wolkinson </td><td colspan=1 rowspan=1 > 23,221 </td><td class="highlighted"  colspan=1 rowspan=1 > 43.4 </td></tr>
</table>
Question:
What percentage did Manoogian defeat David Wolkinson by?
Answer:
Manoogian defeated David Wolkinson by 56.5% to 43.4%.