Complex sentence: The surrounding deer park has also survived with little having changed in the 400 years since 1600, although its formerly dense woodland has not fully recovered from the loss of over 70% of its trees in the Great Storm of 1987.
Split into simpler sentences: The surrounding deer park has also survived with little having changed in the 400 years since 1600. Its formerly dense woodland has not fully recovered from the loss of over 70% of its trees in the Great Storm of 1987.