How to display a value as a percentage?
<p>I'm building a quiz in C# which works and displays the results as a string, However I would like the result to be displayed as a % - how would I do this?</p>

<pre><code>protected void Button1_Click(object sender, EventArgs e)
{
    int score = 0;

    if (qn1.SelectedValue == "Yes")
        score++;
    if (qn2.SelectedValue == "Yes")
        score++;
    if (qn3.SelectedValue == "Yes")
        score++;
    if (qn4.SelectedValue == "Yes")
        score++;
    if (qn5.SelectedValue == "Yes")
        score++;

    literalScore.Text = score.ToString();
}
</code></pre>
