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 United States presidential election in West Virginia
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></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Democratic </td><td class="highlighted"  colspan=1 rowspan=1 > Hubert Humphrey </td><td colspan=1 rowspan=1 > 374,091 </td><td class="highlighted"  colspan=1 rowspan=1 > 49.60% </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Republican </td><td class="highlighted"  colspan=1 rowspan=1 > Richard Nixon </td><td colspan=1 rowspan=1 > 307,555 </td><td class="highlighted"  colspan=1 rowspan=1 > 40.78% </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > American Independent </td><td colspan=1 rowspan=1 > George Wallace </td><td colspan=1 rowspan=1 > 72,560 </td><td colspan=1 rowspan=1 > 9.62% </td></tr>
<tr> <th colspan=3 rowspan=1 > Total votes </th><td colspan=1 rowspan=1 > 754,206 </td><td colspan=1 rowspan=1 > 100.00% </td></tr>
</table>
Question:
Who were the candidates in the 1968 U.S. presidential election in West Virginia, and by what percentage of the popular vote did the leader win?
Answer:
West Virginia was won by the Democratic candidate, Hubert Humphrey, with 49.60% of the popular vote, against the Republican candidate, Richard Nixon, with 40.78% of the popular vote.