Upon returning from military deployment, Joseph is trying to describe to his family all that has changed at home while he was away. To illustrate his point, he gathered information about common items that had changed in his absence. He found that the average television size was 40.4 inches at the time of his deployment, and was 42.8 inches by the time he returned. What is the absolute and relative change in average television sizes from the time of Joseph's deployment to the time he returned?