How much weight can i lose?

Im 18 year old male i curently weigh 290. So far ive lost 42 lbs. But i decided to change my workout. This has been my daily routine for the past 3 days . NO red meat what so ever only white meat. No sodas or juices and no junk food. I do 6 miles every day on my stationary bike. How much weight can i lose on weekly basis.

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Well without knowing your exact calorific intake and activity that''s impossible to calculate, but 1 lb in weight (fat) is approximate to around 3500 calories. So if you burn off 500 calories per day more than you consume then you would lose 1 lb per week, if you burn off 1000 per day more than you take in then you''d lose 2 lbs a week etc. 2 lbs weight loss per week is really the maximum you should be aiming for, but if you were to eat 1600 calories (for example) and your BMR is 1400 and you burn off 600 calories through normal activity and then 600 on your bike, you would have used up 1000 more than you took in, If you did that every day, you''d find you lose approximately 2 lbs a week.