If the characteristics of a use such as off-street parking, off-street loading, lighting, architectural details, or other matters required by this title in relation to specific uses of land, structures or premises, with the exception of signs, are not in accordance with the requirements of this title, no change that increases the nonconformity with such requirements shall be made in such characteristics of use. Any change that decreases the nonconformity to the requirements of this title shall be permitted. Nonconforming signs are regulated under GHMC 17.80.130. (Ord. 1307 § 52, 2014; Ord. 949 § 1, 2004; Ord. 573 § 2, 1990).