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:
1968 Oldham West by-election
Table title:
Results
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><th colspan=1 rowspan=1 > ± </th></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Conservative </td><td class="highlighted"  colspan=1 rowspan=1 > Bruce Campbell </td><td colspan=1 rowspan=1 > 11,904 </td><td colspan=1 rowspan=1 > 46.5 </td><td colspan=1 rowspan=1 > +7.7 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Labour </td><td class="highlighted"  colspan=1 rowspan=1 > Michael Meacher </td><td colspan=1 rowspan=1 > 8,593 </td><td colspan=1 rowspan=1 > 33.6 </td><td colspan=1 rowspan=1 > 27.6 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > All Party Alliance </td><td colspan=1 rowspan=1 > John Creasey </td><td colspan=1 rowspan=1 > 3,389 </td><td colspan=1 rowspan=1 > 13.2 </td><td colspan=1 rowspan=1 > N/A </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Liberal </td><td colspan=1 rowspan=1 > David Green </td><td colspan=1 rowspan=1 > 1,707 </td><td colspan=1 rowspan=1 > 6.7 </td><td colspan=1 rowspan=1 > N/A </td></tr>
<tr> <th colspan=3 rowspan=1 > Majority </th><td class="highlighted"  colspan=1 rowspan=1 > 3,311 </td><td colspan=1 rowspan=1 > 12.9 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=3 rowspan=1 > Turnout </th><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=2 rowspan=1 > Conservative gain from Labour </td><th class="highlighted"  colspan=1 rowspan=1 > Swing </th><td class="highlighted"  colspan=1 rowspan=1 > 17.7 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What was the percent Swing won by Campbell and what was the vote majority amount?
Answer:
Oldham West was gained for the Conservatives with a 17.7% swing by Bruce Campbell with a majority of 3,311 over the Labour candidate Michael Meacher.