Magento – Add “You Save” amount and percentage to Special Price in Magento.

<?php if($_finalPrice < $_price): ?>
 <?php
    $_savePercent = 100 - round(($_finalPrice / $_price) * 100);
    $_saveAmount = number_format(($_price - $_finalPrice), 2);
?>
    <p class='yousave'>
        <span class='price-label label'>You Save: </span>
        <span class='price'>
            <strong class='save-amount'>$<?php echo $_saveAmount; ?></strong> (<?php echo $_savePercent; ?>%)
        </span>
    </p>
<?php endif; ?>