Description: Given that Jenna's weight changed -3 lbs, Sarah's changed 2.5 lbs, and Bill's changed 4 lbs, who lost the most weight? Who had the largest change in weight? So we have three folks: Jenna,Sarah and Bill and they're keeping track of their weight. And right over here we have their weight change over the month. So, Jenna's change in weight is negative three pounds which means that she lost weight.*Teacher Advisor is 100% free.