Convert (Currency) String to Float
HTML
<span></span>
JavaScript
var currency = "-$04,400.50";
var number = Number(currency.replace(/[^0-9\.-]+/g,""));
$('span').html(number);
<span></span>
var currency = "-$04,400.50";
var number = Number(currency.replace(/[^0-9\.-]+/g,""));
$('span').html(number);