I'm a political science major and there are times when I wish I would have chosen differently. There are some classes that are interesting and others that are so boring I feel like dropping it. The only reason that I chose the major is because it's the most relevant to my career. All the other poli-sci kids in my class clearly have more interest in the subject than I do, but as long as the course don't affect my grades and learn some interesting things on occasion, I can suffer through.
I wish I could have been a history major with a focus in medieval to early 20th century Europe but I don't think being a history scholar is for me.
But, if your major isn't remotely related to what you want to do in the future, I'd advise changing it. It's better to spend an extra year in college than the next 40 yrs slaving away at a career you despise.