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:
1993 Newbury 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 > Liberal Democrat </td><td class="highlighted"  colspan=1 rowspan=1 > David Rendel </td><td colspan=1 rowspan=1 > 37,590 </td><td colspan=1 rowspan=1 > 65.1 </td><td colspan=1 rowspan=1 > +27.8 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Conservative </td><td colspan=1 rowspan=1 > Julian Davidson </td><td colspan=1 rowspan=1 > 15,535 </td><td colspan=1 rowspan=1 > 26.9 </td><td colspan=1 rowspan=1 > −29.0 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Labour </td><td colspan=1 rowspan=1 > Steve Billcliffe </td><td colspan=1 rowspan=1 > 1,151 </td><td colspan=1 rowspan=1 > 2.0 </td><td colspan=1 rowspan=1 > −4.0 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Anti-Federalist League </td><td colspan=1 rowspan=1 > Alan Sked </td><td colspan=1 rowspan=1 > 601 </td><td colspan=1 rowspan=1 > 1.0 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Conservative Candidate </td><td colspan=1 rowspan=1 > Andrew Bannon </td><td colspan=1 rowspan=1 > 561 </td><td colspan=1 rowspan=1 > 1.0 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Commoners' Party </td><td colspan=1 rowspan=1 > Stephen Martin </td><td colspan=1 rowspan=1 > 435 </td><td colspan=1 rowspan=1 > 0.8 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Monster Raving Loony </td><td colspan=1 rowspan=1 > Lord David Sutch </td><td colspan=1 rowspan=1 > 432 </td><td colspan=1 rowspan=1 > 0.7 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Green </td><td colspan=1 rowspan=1 > Jim Wallis </td><td colspan=1 rowspan=1 > 341 </td><td colspan=1 rowspan=1 > 0.6 </td><td colspan=1 rowspan=1 > −0.2 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Referendum Party </td><td colspan=1 rowspan=1 > Robin Marlar </td><td colspan=1 rowspan=1 > 338 </td><td colspan=1 rowspan=1 > 0.6 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Conservative Rebel </td><td colspan=1 rowspan=1 > John Browne </td><td colspan=1 rowspan=1 > 267 </td><td colspan=1 rowspan=1 > 0.5 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Corrective Party </td><td colspan=1 rowspan=1 > Lindi St Clair </td><td colspan=1 rowspan=1 > 170 </td><td colspan=1 rowspan=1 > 0.3 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Maastricht Referendum for Britain </td><td colspan=1 rowspan=1 > Bill Board </td><td colspan=1 rowspan=1 > 84 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Natural Law </td><td colspan=1 rowspan=1 > Michael Grenville </td><td colspan=1 rowspan=1 > 60 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > People & Pensioners Party </td><td colspan=1 rowspan=1 > Johnathon Day </td><td colspan=1 rowspan=1 > 49 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 21st Century Independent Foresters </td><td colspan=1 rowspan=1 > Colin Palmer </td><td colspan=1 rowspan=1 > 40 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Defence of Children's Humanity Bosnia </td><td colspan=1 rowspan=1 > Mladen Grbin </td><td colspan=1 rowspan=1 > 33 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > SDP </td><td colspan=1 rowspan=1 > Alan Page </td><td colspan=1 rowspan=1 > 33 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Communist (PCC) </td><td colspan=1 rowspan=1 > Anne Murphy </td><td colspan=1 rowspan=1 > 32 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Give the royal billions to schools </td><td colspan=1 rowspan=1 > Michael Stone </td><td colspan=1 rowspan=1 > 21 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=3 rowspan=1 > Majority </th><td colspan=1 rowspan=1 > 22 055 </td><td colspan=1 rowspan=1 > 38.2 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=3 rowspan=1 > Turnout </th><td colspan=1 rowspan=1 > 57 399 </td><td colspan=1 rowspan=1 > 71.3 </td><td colspan=1 rowspan=1 > −11.46 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=2 rowspan=1 > Liberal Democrat gain from Conservative </td><th class="highlighted"  colspan=1 rowspan=1 > Swing </th><td class="highlighted"  colspan=1 rowspan=1 > 28.4 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
Which Liberal Democrat won the 1993 Newbury by-election and what was final swing percentage gain over the Conservative party?
Answer:
The 1993 Newbury by-election was won by David Rendel of the Liberal Democrat party with a swing of 28.4%.