Format output

[alex1372]

Hi all,

I have following code in my own module:

<?php
$result5 = $db->query("SELECT AVG(((sprice-pprice)/sprice)*100) FROM ".$db->prefix("trademgr")." WHERE sdate<>''");
while ($row = $db->fetch_array($result5)) {
echo "<b>".$row['AVG(((sprice-pprice)/sprice)*100)']."%</b>";
}
?>

This returns something like 3.1785302044923% (average percentage)
How can I make it so it returns 3.17%?