#29 with "%" and "-"?

[x.y]

it looks like giving a wrong sort auch as "-520%"....thx

<table class='sortable'>
<thead>
<tr><th>School</th><th colspan="2">Price List</th></tr>
<tr><th></th><th>Price</th><th>Price2</th></tr>
</thead>
<tbody>
<tr><td>School1</td><td class='numeric'>1.96</td><td class='numeric'>0.56%</td></tr>
<tr><td>School2</td><td class='numeric'>-23.95</td><td class='numeric'>963.5%</td></tr>
<tr><td>School3</td><td class='numeric'>14.00</td><td class='numeric'>-520%</td></tr>
<tr><td>School4</td><td class='numeric'>104.00</td><td class='numeric'>1.23%</td></tr>
<tr><td>School5</td><td class='numeric'>52.68</td><td class='numeric'>-0.68%</td></tr>
<tr><td>School6</td><td class='numeric'>-45247</td><td class='numeric'>68%</td></tr>
<tr><td>School7</td><td class='numeric'>452.798</td><td class='numeric'>49.5%</td></tr>
<tr><td>School8</td><td class='numeric'>521.1</td><td class='numeric'>-234%</td></tr>
<tr><td>School9</td><td class='numeric'>-2.1</td><td class='numeric'>69.77%</td></tr>
<tr><td>School10</td><td class='numeric'>20.8</td><td class='numeric'>-55.9%</td></tr>
<tr><td>School11</td><td class='numeric'>-2.77</td><td class='numeric'>-4.68%</td></tr>
<tr><td>School12</td><td class='numeric'>45.1</td><td class='numeric'>56.2%</td></tr>
</tbody>
</table>