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:
Croydon North West (UK Parliament constituency)
Table title:
Members of Parliament
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=2 rowspan=1 > Election </th><th colspan=1 rowspan=1 > Member </th><th colspan=1 rowspan=1 > Party </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1955 </td><td colspan=1 rowspan=1 > Fred Harris </td><td colspan=1 rowspan=1 > Conservative </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1970 </td><td colspan=1 rowspan=1 > Robert Taylor </td><td colspan=1 rowspan=1 > Conservative </td><td colspan=1 rowspan=1 > Died 1981 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1981 by-election </td><td colspan=1 rowspan=1 > Bill Pitt </td><td colspan=1 rowspan=1 > Liberal </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > 1983 </td><td colspan=1 rowspan=1 > Humfrey Malins </td><td class="highlighted"  colspan=1 rowspan=1 > Conservative </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > 1992 </td><td class="highlighted"  colspan=1 rowspan=1 > Malcolm Wicks </td><td class="highlighted"  colspan=1 rowspan=1 > Labour </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1997 </td><td colspan=2 rowspan=1 > constituency abolished: see Croydon North </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
How was the membership changed in Croydon North West's Parliament from 1981 to 1992?
Answer:
Croydon North West's Member of Parliament was returned to the Conservatives two years later (from 1981) and was snatched by Malcolm Wicks of the Labour Party in 1992.