The percentage requirements for accessory off-street parking for residences applicable to each portion of the zoning lot shall be multiplied by the percentage of the total lot area of the zoning lot to which each such requirement applies. The sum of the products obtained shall be the percentage requirement applicable to residences on such zoning lot. Such off-street parking spaces may be located anywhere on the zoning lot without regard to district boundaries, provided that such spaces shall conform to all the other applicable provisions of this Resolution.