Yes here is the template. It is a modification of a welcome panel here on vb.org
Code:
<if condition="$vbulletin->options['onoff']">
<table class="tborder" cellpadding="$stylevar[cellpadding]" cellspacing="$stylevar[cellspacing]" border="0" width="100%" align="center">
<tr>
<td class="tcat" colspan="3" align="left">
<a style="float:$stylevar[right]" href="#top" onclick="return toggle_collapse('forumhome_welcomepanel')"><img id="collapseimg_forumhome_welcomepanel" src="$stylevar[imgdir_button]/collapse_tcat$vbcollapse[collapseimg_welcome_panel].gif" alt="" border="0" /></a>
<phrase 1="{$bbuserinfo['username']}">$vbphrase[wp_welcomeback]</phrase>
</td>
</tr>
<tbody id="collapseobj_forumhome_welcomepanel" style="$vbcollapse[collapseobj_forumhome_welcomepanel]">
<tr>
<td class="alt1" align="center" width="1%">
<table border="0" cellpadding="0" cellspacing="0"><tr><td><a href="profile.php?$session[sessionurl]do=editavatar"><img src="/forum/image.php?u=$bbuserinfo[userid]" width="30%" height="30%"></a></td></tr></table>
</td>
<td width="50%" class="alt2" align="$stylevar[left]" valign="top">
<phrase 1="{$bbuserinfo['newposts']}" 2="{$bbuserinfo['newthreads']}" 3="{$bbuserinfo['lastvisit']}" 4="$timenow" 5="$datenow" 6="{$bbuserinfo['pmunread']}" 7="{$wp['newpostsplural']}" 8="{$wp['newthreadsplural']}">$vbphrase[wp_unread]</phrase>
<if condition="$vbulletin->options['rules']">
<br /><br />
<phrase 1="$vboptions[ruleid]">$vbphrase[wp_rules]</phrase>
</if>
<if condition="$vbulletin->options['showlatestannouncement']">
<br /><if condition="!$vbulletin->options['rules']"><br /></if>
<table border="0"><tr><td><img src="/forum/images/icons/icon4.gif"></td>
<td>
<phrase 1="$wp_forum_title" 2="$wp_latest_a_link" 3="$wp_latest_a_title">$vbphrase[wp_latestannouncement]</phrase>
</td>
</tr>
</table>
</if>
</td>
<td width="50%" class="alt1" align="$stylevar[left]" valign="top">
<phrase 1="{$bbuserinfo['posts']}" 2="$wp_user_thread_count" 3="{$bbuserinfo['postsperday']}" 4="{$bbuserinfo['postpercent']}">$vbphrase[wp_user_stats]</phrase>
<if condition="$bbuserinfo[active]">
<b>»</b> $vbphrase[wp_activity] <a href="forumdisplay.php?{$session[sessionurl]}f={$bbuserinfo[active][0][forumid]}">{$bbuserinfo[active][0][title]}</a> $vbphrase[wp_activity2] <b>{$bbuserinfo[active][1]}</b> $vbphrase[wp_activity3].<br />
<else />
$vbphrase[wp_activity] <i>N/A</i><br />
</if>
<!--BEGIN VB STATUS-->
<if condition="$vbulletin->options['vbstatus_active']">
<if condition="$bbuserinfo[vbstatus_status]">
<font size="1">$bbuserinfo[musername] {$vbulletin->options['vbstatus_statusprefix']}</font>
<em id="vbstatus_$bbuserinfo[userid]">
<font size="1"><i>$bbuserinfo[vbstatus_status]</i></font>
<if condition="$bbuserinfo['userid']==$userinfo['userid'] OR is_member_of($bbuserinfo, 9, 10, 11)">
<a href="javascript:Att_Ajax('userid=$bbuserinfo[userid]&postid=$bbuserinfo[userid]','vbstatus/vbstatus_ajax.php')"><font size="1">Edit</font></a>
</if>
</em>
<else />
<if condition="$bbuserinfo['userid']==$bbuserinfo['userid']">
<br /><br /><a href="javascript:Att_Ajax('userid=$bbuserinfo[userid]&postid=$bbuserinfo[userid]','vbstatus/vbstatus_ajax.php')"><font size="1">Add New Status</font></a>
</if>
</if>
</if>
<!--END VB STATUS-->
<br /><br />
</td>
</tr>
</tbody>
</table>
<br />
</if>
You can see the code in question near the top.
Well it would sure be possible to send just the GET vars to the php file to then add the % in the variable outputs in the php code?