Originally Posted by Carbonfiberboy

Bar width usually doesn't make much difference. Numb, IME, means a pinched nerve or pinched blood vessel. Changing your fit caused this, so change your fit again.

I usually recommend getting the weight off your hands by moving your saddle back until you can briefly lift your hands from the bars while riding, without sliding forward on the saddle. Before moving your saddle, measure your saddle height and reset your saddle height after moving the saddle. After you're satisfied that your saddle position meats these criteria, next set your reach so that, with your hands on the hoods and elbows slightly bent and your back as straight as you can get it, your upper arms make a 90° angle with your torso. That'll probably mean changing stem lengths.

Make those changes, go ride, and see how that works for you.