Complex sentence: The theatre closed on November 7 1925 when the interior was completely reconstructed to designs by Robert Atkins-the auditorium was changed from a horseshoe shape to the current rectangle shape, and the seating capacity reduced to just over 700.
Split into simpler sentences: The theatre closed on November 7 1925 when the interior was completely reconstructed to designs by Robert Atkins. The auditorium was changed from a horseshoe shape to the current rectangle shape, and the seating capacity reduced to just over 700.