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:
Socialist Labour Party (UK) election results
Table title:
2010 General Election results
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Constituency </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 > Ayshire Central </td><td colspan=1 rowspan=1 > James McDaid </td><td colspan=1 rowspan=1 > 422 </td><td colspan=1 rowspan=1 > 1.0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Ayrshire North and Arran </td><td colspan=1 rowspan=1 > Louise McDaid </td><td colspan=1 rowspan=1 > 449 </td><td colspan=1 rowspan=1 > 1.0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Barnsley Central </td><td colspan=1 rowspan=1 > Terry Robinson </td><td colspan=1 rowspan=1 > 356 </td><td colspan=1 rowspan=1 > 1.0 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Barnsley East </td><td class="highlighted"  colspan=1 rowspan=1 > Ken Capstick </td><td class="highlighted"  colspan=1 rowspan=1 > 601 </td><td class="highlighted"  colspan=1 rowspan=1 > 1.6 </td></tr>
<tr> <td colspan=1 rowspan=1 > Birmingham Perry Barr </td><td colspan=1 rowspan=1 > John Tyrrell </td><td colspan=1 rowspan=1 > 527 </td><td colspan=1 rowspan=1 > 1.3 </td></tr>
<tr> <td colspan=1 rowspan=1 > Blaenau Gwent </td><td colspan=1 rowspan=1 > Alyson O'Connell </td><td colspan=1 rowspan=1 > 381 </td><td colspan=1 rowspan=1 > 1.2 </td></tr>
<tr> <td colspan=1 rowspan=1 > Brighton Pavilion </td><td colspan=1 rowspan=1 > Ian Fyvie </td><td colspan=1 rowspan=1 > 148 </td><td colspan=1 rowspan=1 > 0.3 </td></tr>
<tr> <td colspan=1 rowspan=1 > Camberwell and Peckham </td><td colspan=1 rowspan=1 > Margaret Sharkey </td><td colspan=1 rowspan=1 > 184 </td><td colspan=1 rowspan=1 > 0.4 </td></tr>
<tr> <td colspan=1 rowspan=1 > Camborne and Redruth </td><td colspan=1 rowspan=1 > Robert Hawkins </td><td colspan=1 rowspan=1 > 169 </td><td colspan=1 rowspan=1 > 0.4 </td></tr>
<tr> <td colspan=1 rowspan=1 > Derbyshire South </td><td colspan=1 rowspan=1 > Paul Liversuch </td><td colspan=1 rowspan=1 > 266 </td><td colspan=1 rowspan=1 > 0.5 </td></tr>
<tr> <td colspan=1 rowspan=1 > Dunbartonshire West </td><td colspan=1 rowspan=1 > Katharine McGavigan </td><td colspan=1 rowspan=1 > 505 </td><td colspan=1 rowspan=1 > 1.2 </td></tr>
<tr> <td colspan=1 rowspan=1 > Edinburgh North and Leith </td><td colspan=1 rowspan=1 > David Jacobsen </td><td colspan=1 rowspan=1 > 141 </td><td colspan=1 rowspan=1 > 0.3 </td></tr>
<tr> <td colspan=1 rowspan=1 > Glasgow North East </td><td colspan=1 rowspan=1 > Jim Berrington </td><td colspan=1 rowspan=1 > 156 </td><td colspan=1 rowspan=1 > 0.5 </td></tr>
<tr> <td colspan=1 rowspan=1 > Liverpool Wavertree </td><td colspan=1 rowspan=1 > Kim Singleton </td><td colspan=1 rowspan=1 > 200 </td><td colspan=1 rowspan=1 > 0.5 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Liverpool West Derby </td><td class="highlighted"  colspan=1 rowspan=1 > Kai Andersen </td><td class="highlighted"  colspan=1 rowspan=1 > 614 </td><td class="highlighted"  colspan=1 rowspan=1 > 1.7 </td></tr>
<tr> <td colspan=1 rowspan=1 > Manchester Central </td><td colspan=1 rowspan=1 > Ron Sinclair </td><td colspan=1 rowspan=1 > 153 </td><td colspan=1 rowspan=1 > 0.4 </td></tr>
<tr> <td colspan=1 rowspan=1 > Merthyr Tydfil and Rhymney </td><td colspan=1 rowspan=1 > Alan Cowdell </td><td colspan=1 rowspan=1 > 195 </td><td colspan=1 rowspan=1 > 0.6 </td></tr>
<tr> <td colspan=1 rowspan=1 > Newport East </td><td colspan=1 rowspan=1 > Liz Screen </td><td colspan=1 rowspan=1 > 123 </td><td colspan=1 rowspan=1 > 0.4 </td></tr>
<tr> <td colspan=1 rowspan=1 > Plymouth Moor View </td><td colspan=1 rowspan=1 > David Marchesi </td><td colspan=1 rowspan=1 > 208 </td><td colspan=1 rowspan=1 > 0.5 </td></tr>
<tr> <td colspan=1 rowspan=1 > Plymouth Sutton and Devonport </td><td colspan=1 rowspan=1 > Robert Hawkins </td><td colspan=1 rowspan=1 > 123 </td><td colspan=1 rowspan=1 > 0.3 </td></tr>
<tr> <td colspan=1 rowspan=1 > Pontypridd </td><td colspan=1 rowspan=1 > Simon Parsons </td><td colspan=1 rowspan=1 > 456 </td><td colspan=1 rowspan=1 > 1.2 </td></tr>
<tr> <td colspan=1 rowspan=1 > St Helens North </td><td colspan=1 rowspan=1 > Stephen Whatham </td><td colspan=1 rowspan=1 > 483 </td><td colspan=1 rowspan=1 > 1.1 </td></tr>
<tr> <td colspan=1 rowspan=1 > Wolverhampton North East </td><td colspan=1 rowspan=1 > Shangara Bhatoe </td><td colspan=1 rowspan=1 > 337 </td><td colspan=1 rowspan=1 > 1.0 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Total </td><td colspan=1 rowspan=1 > 7,196 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What were the best results of the Liverpool west derby in terms of percentage points?
Answer:
In Socialist Labour Party (UK) election, the best results were those of Kai Andersen in Liverpool West Derby was 614 votes - 1.7% and Ken Capstick in Barnsley East was 601 votes - 1.6%.