Your total points are not updated thats why total points are showing less. You can recalculate your points by clicking on your name in your home page and click again on recalculate my points and member level, then totalpoints will update.
One personal suggestion for you. I have noticed that all your posts in Communities and polls. Try to post quality resources by following the guidelines. It will help to bring a substantial developement for you in the site. Withe regards Babu SPK tips for good resources