Bulma Dev

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bulma/0.0.17/css/bulma.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css">
<div>
<span>15%</span>
<progress  class="progress" value="15" max="100" ></progress>
</div>

CSS

span{  
    position: absolute;
    top: -2px;
    left: 50%;
    font-size: 12px;
}