Best workout classes to lose weight?

Ebabe25
I've been off my workout routine because it's been freezing cold in NYC and my gym is on the upper west side. Now I am looking at there workout classes, I picked 3 classes since I like to keep my body relaxed and not be one of those intence workout people. (Boxersize,Zumba and Palitie Mat) I try to find classes that are cardio and help me lose weight I've been losing weight & gaining weight. I don't know if it's my diet and how many calories I should eat a day. I might be all over the place on this question. But if anyone has ideas I am open to it!
Best workout classes to lose weight?
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