I was on Labetalol for the same thing. You are on a pretty low dose, so you really shouldn't have to taper too much. I cant' believe I've already forgotten how I did it, but it seems like I dropped my afternoon pill first and then a week later maybe I halved the am pill then a week later dropped it completely? I'm not real sure, but that's how I *think* I would do it

It's such a shame, because it was only this time last year that I tapered.
I'm pretty sure that Labetalol can be prescribed up to something like 1000mg a day, so dropping a 200mg a day dosage shouldn't be too hard on you