Average fund calculation for indiegogo

indiegogoavgcalc

(function($) {
  $('<div>').addClass('i-average-fund').insertBefore($('.i-progress-bar'));
  $('<div>').addClass('i-ppl-needed').insertBefore($('.i-progress-bar'));

  window.avgInterval = setInterval(function() {
    var balanceTxt = $(".i-balance span span").text();
    var curr = balanceTxt[0];

    var balance = parseFloat($(".i-balance span span").text().replace(curr, '').replace(/,/g,''));
    var people = parseInt($(".i-raised-funders").text().replace(/,/g,''));
    
    var total = parseInt($(".i-goal-amount .currency").text().replace(/,/g,'').replace(curr, ''));

    var avg = new Number((balance/people).toFixed(2));
    var pplneeded = new Number(((total-balance)/avg).toFixed(2));

    $('.i-average-fund').html('Avg. fund: <b>' + avg + curr + '</b>');
    $('.i-ppl-needed').html('<b>' + pplneeded.toLocaleString() + '</b> people needed');
  }, 1000);
})($);