Demo

NOTE!

Account #
First Name
Last Name
Age
Total
Discount
Diff
a1a10 Peter Parker 28 9.99 20.3% +3
a1a2 John Hood 33 19.99 25.1% -7
A1a1 Clark Kent 18 2.89 44.2% -15
A2b2 Bruce Almighty 45 153.19 44% +19
A1d2 Bruce Evans 56 $153.19 23% +9
a2b11 John Clark 44 ($19.89) 25.1% (5)
A2b1 Elvis Presley 24 ($9.99) 50% (22)
A1b0 Frank Carter 40 -12.99 20% (6)

Javascript

$(function() {
  $("table").tablesorter({
    theme : 'blue',
    // table = table object; get config options from table.config
    // column is the column index (zero-based)
    textSorter : function(a, b, table, column){
      // this is the original sort method from tablesorter 2.0.3
      if (table.config.sortLocaleCompare) { return a.localeCompare(b); }
      return ((a < b) ? -1 : ((a > b) ? 1 : 0));
    }
  });
});

HTML

<table class="tablesorter">
  <thead>
    <tr>
      <th>Account #</th>
      <th>First Name</th>
      <th>Last Name</th>
      <th>Age</th>
      <th>Total</th>
      <th>Discount</th>
      <th>Diff</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>a1a10</td>
      <td>Peter</td>
      <td>Parker</td>
      <td>28</td>
      <td>9.99</td>
      <td>20.3%</td>
      <td>+3</td>
    </tr>
    <tr>
      <td>a1a2</td>
      <td>John</td>
      <td>Hood</td>
      <td>33</td>
      <td>19.99</td>
      <td>25.1%</td>
      <td>-7</td>
    </tr>
    <tr>
      <td>A1a1</td>
      <td>Clark</td>
      <td>Kent</td>
      <td>18</td>
      <td>2.89</td>
      <td>44.2%</td>
      <td>-15</td>
    </tr>
    <tr>
      <td>A2b2</td>
      <td>Bruce</td>
      <td>Almighty</td>
      <td>45</td>
      <td>153.19</td>
      <td>44%</td>
      <td>+19</td>
    </tr>
    <tr>
      <td>A1d2</td>
      <td>Bruce</td>
      <td>Evans</td>
      <td>56</td>
      <td>$153.19</td>
      <td>23%</td>
      <td>+9</td>
    </tr>
    <tr>
      <td>a2b11</td>
      <td>John</td>
      <td>Clark</td>
      <td>44</td>
      <td>($19.89)</td>
      <td>25.1%</td>
      <td>(5)</td>
    </tr>
    <tr>
      <td>A2b1</td>
      <td>Elvis</td>
      <td>Presley</td>
      <td>24</td>
      <td>($9.99)</td>
      <td>50%</td>
      <td>(22)</td>
    </tr>
    <tr>
      <td>A1b0</td>
      <td>Frank</td>
      <td>Carter</td>
      <td>40</td>
      <td>-12.99</td>
      <td>20%</td>
      <td>(6)</td>
    </tr>
  </tbody>
</table>

Next up: Sorting Accented Characters ››