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:
1986 Angolan legislative election
Table title:
Elections
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Political group </th><th colspan=1 rowspan=1 > Number of seats </th><th colspan=1 rowspan=1 > Number of men </th><th colspan=1 rowspan=1 > Number of women </th></tr>
<tr> <td colspan=1 rowspan=1 > Totals </td><td class="highlighted"  colspan=1 rowspan=1 > 289 </td><td colspan=1 rowspan=1 > 247 </td><td colspan=1 rowspan=1 > 42 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Popular Movement for the Liberation of Angola—Party of Labour (MPLA-PT) </td><td class="highlighted"  colspan=1 rowspan=1 > 173 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Non-party members </td><td colspan=1 rowspan=1 > 116 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What proportion of seats were won by the MPLA in the 1986 Angolan legislative election?
Answer:
In the 1986 Angolan legislative election, MPLA won 173 out of the 289 seats.