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:
University of Exeter
Table title:
Admissions
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 > 2017 </th><th colspan=1 rowspan=1 > 2016 </th><th class="highlighted"  colspan=1 rowspan=1 > 2015 </th><th colspan=1 rowspan=1 > 2014 </th><th colspan=1 rowspan=1 > 2013 </th></tr>
<tr> <td colspan=1 rowspan=1 > Applications </td><td colspan=1 rowspan=1 > 41,000 </td><td colspan=1 rowspan=1 > 42,335 </td><td colspan=1 rowspan=1 > 39,670 </td><td colspan=1 rowspan=1 > 37,280 </td><td colspan=1 rowspan=1 > 33,825 </td></tr>
<tr> <td colspan=1 rowspan=1 > Offer Rate (%) </td><td colspan=1 rowspan=1 > 89.7 </td><td colspan=1 rowspan=1 > 86.4 </td><td colspan=1 rowspan=1 > 90.8 </td><td colspan=1 rowspan=1 > 88.6 </td><td colspan=1 rowspan=1 > 86.8 </td></tr>
<tr> <td colspan=1 rowspan=1 > Enrols </td><td colspan=1 rowspan=1 > 6,065 </td><td colspan=1 rowspan=1 > 5,960 </td><td colspan=1 rowspan=1 > 5,810 </td><td colspan=1 rowspan=1 > 5,820 </td><td colspan=1 rowspan=1 > 5,505 </td></tr>
<tr> <td colspan=1 rowspan=1 > Yield (%) </td><td colspan=1 rowspan=1 > 16.5 </td><td colspan=1 rowspan=1 > 16.3 </td><td colspan=1 rowspan=1 > 16.1 </td><td colspan=1 rowspan=1 > 17.6 </td><td colspan=1 rowspan=1 > 18.7 </td></tr>
<tr> <td colspan=1 rowspan=1 > Applicant/Enrolled Ratio </td><td colspan=1 rowspan=1 > 6.76 </td><td colspan=1 rowspan=1 > 7.10 </td><td colspan=1 rowspan=1 > 6.83 </td><td colspan=1 rowspan=1 > 6.41 </td><td colspan=1 rowspan=1 > 6.14 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Average Entry Tariff </td><td colspan=1 rowspan=1 > n/a </td><td colspan=1 rowspan=1 > 176 </td><td class="highlighted"  colspan=1 rowspan=1 > 471 </td><td colspan=1 rowspan=1 > 466 </td><td colspan=1 rowspan=1 > 463 </td></tr>
</table>
Question:
What is the change of average Entry Tariff from 2014 to 2015?
Answer:
Exeter has average Entry Tariff 466 in 2014 and it changed to 471 in 2015.