New to this but ready for change

Hey everyone - I'm new to this site so I'm not sure how this works exact but I'm obviously here to get support and see other people's stories . I wanting to lose at least 45.lbs I don't have a goal date . I'm working on calories an portion control . I have been doing very well because I have lost 47 lbs since Aug 2015.but this 45 lbs is next to come off. Wish me luck and good luck to you!