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:
Shapinsay
Table title:
Demography
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Pop. </th><th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Pop. </th></tr>
<tr> <td colspan=1 rowspan=1 > 1798 </td><td colspan=1 rowspan=1 > 730 </td><td colspan=1 rowspan=1 > 1911 </td><td colspan=1 rowspan=1 > 718 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1841 </td><td colspan=1 rowspan=1 > 935 </td><td colspan=1 rowspan=1 > 1921 </td><td colspan=1 rowspan=1 > 624 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1851 </td><td colspan=1 rowspan=1 > 899 </td><td colspan=1 rowspan=1 > 1931 </td><td colspan=1 rowspan=1 > 584 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1861 </td><td colspan=1 rowspan=1 > 973 </td><td colspan=1 rowspan=1 > 1951 </td><td colspan=1 rowspan=1 > 487 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1871 </td><td colspan=1 rowspan=1 > 949 </td><td colspan=1 rowspan=1 > 1961 </td><td colspan=1 rowspan=1 > 346 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1881 </td><td colspan=1 rowspan=1 > 974 </td><td colspan=1 rowspan=1 > 1981 </td><td colspan=1 rowspan=1 > 345 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1891 </td><td colspan=1 rowspan=1 > 903 </td><td class="highlighted"  colspan=1 rowspan=1 > 1991 </td><td class="highlighted"  colspan=1 rowspan=1 > 322 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1901 </td><td colspan=1 rowspan=1 > 769 </td><td class="highlighted"  colspan=1 rowspan=1 > 2001 </td><td class="highlighted"  colspan=1 rowspan=1 > 300 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > 307 </td></tr>
</table>
Question:
What was the population change in Shapinsay from 1991 to 2001?
Answer:
In 2001, Shapinsay had a population of 300, a decline from 322 in 1991.