JSFiddle - React, Tailwind, and code Playground

HTML

<table style="width:100%">
    <tr>
        <td data-bind="text: GradeName">30</td>
        <td data-bind="text:Price">20</td>
        <td data-bind="text:Change">10</td>
        <td data-bind="text:Change">-1</td>
    </tr>
</table>

JavaScript

jQuery(document).ready(function(){
    var dataElem;
    jQuery('td').each(function(){
        dataElem = jQuery(this);
        if(dataElem.data('bind')){
            if(dataElem.data('bind').substr(dataElem.data('bind').indexOf(":") + 1) === "Change"){
                if(parseInt(dataElem.html()) < 0){
                    dataElem.css("background-color", "red");
                }
            }
        }
    });
});