this program will select the 3rd column cells of table and go through each cell of that column and compare to the adjacent next cell value. if that condition matches the background color of next cell will be green otherwise print the ratio.

compare_tow_tableColumnAndCompareValue.js

var tdlist = jQuery("tr td:nth-child(3)");
tdlist.each(function() {
  //console.log($( this ).text().trim().replace(',','')/2.5);
  //console.log($( this ).next().text());
	if($( this ).next().text()==$( this ).text().trim().replace(',','')){
		$( this ).next().css("background-color", "green");
	}else{
		console.log($( this ).next().text()/$( this ).text().trim().replace(',',''));
	}
});