Taking time to really think about what's important to you and your future will save you a lot of time, heartache and money in the future. There is nothing comparable to the confidence gained by being knowledgeable about why you have chosen a specific major.
Passion is very important in comparing different college majors. Your natural talents and interests should help steer you in the right direction. Job salary and employment level should factor into your decision. According to a survey done by the National Association of Colleges and Employers, accounting majors were the most likely to get a job after college graduation while petroleum engineering was the highest paid major for 2009-2010 bachelor's degeree graduates.
You are not locked into a specific field for your entire college stay. Many students who enter college in a particular major find they have a passion for something else, and they end up changing majors.