I have had my garmin vivofit fitness band with heart rate monitor for a week now. The data matched up in the beginning, but for the past few days, the number of calories burned on my fitness band has been significantly higher than the number of calories burned when I sync with my computer. I have been using the heart rate monitor to do Insanity, and I know I'm burning a lot of calories, but I don't understand why the number wouldn't be the same.
For example, my fitness band says that I've burned 2021 calories so far today, but when I sync my data to the computer, the website says I've burned 1751. Maybe workouts with the heart rate monitor aren't being factored in on the computer, only on my wristband?