A protest against any proposed amendment or revision of a zoning ordinance may be filed with the City Clerk, signed by the owners of 20% or more of the area either of the lots or land included in such proposed change or of the lots or land extending 200 feet in all directions therefrom, inclusive of street space, whether within or without the municipality. Such amendment or revision shall not become effective following the filing of such protest except by the favorable vote of 2/3 of all the members of the governing body of the municipality.