JSFiddle - React, Tailwind, and code Playground

JavaScript

var oldObj = oldObjTemp = {
     "name": "Bob Odenkirk",
     "title": "Software Engineer",
     "location": {
         "locality": "San Francisco",
         "region": "CA",
         "country": {"name" : "United States", "code":"US"}
     },
     "age": 62,
     "status": "Active"
};
var newObj = {
     "name": "Bob Odenkirk",
     "title": "Software Engineer",
     "location": {
         "locality": "San Francisco",
         "country": {"name" : "United States"}
     },
     "age": 62,
     "company": "Accenture"
};


var missingProps = {};

function getMissingProps(oldObj, newObj, oldObjTemp){
   for (var prop in oldObj) {
     if(newObj.hasOwnProperty(prop) && typeof oldObj[prop] === 'object'){
     		getMissingProps(oldObj[prop], newObj[prop], oldObjTemp[prop]);     
     }
     else if(newObj.hasOwnProperty(prop)){
     		delete oldObjTemp[prop];
     }
    }
}

getMissingProps(oldObj, newObj, oldObjTemp);

console.log(oldObjTemp);