Reorganize coinMarketCap Top20 by volume and negative change

coinMarketCapTop20

javascript:(function(){ 

  tbody = $('#currencies_wrapper').find('tbody');
  
  tbody.children()
    .each( function(index, item){
      if( index >= 20 )
        item.remove();
    });

    tbody.find('tr')
      .sort( function( itemA, itemB ){
        percentItemA = parseFloat( $(itemA).find('.percent-24h').text() );
        percentItemB = parseFloat( $(itemB).find('.percent-24h').text() );
          if(  percentItemA > percentItemB )
            return 1;
          else
            return -1;
      })
      .appendTo(tbody);
  
})();