The 1954 Statelessness Status Convention provided a definition of a stateless person (which has since become part of customary international law, according to the International Law Commission), and sets out a number of rights that stateless persons should enjoy.
The ratio of two integers P and Q can be expressed as P : Q or P/Q. In both cases, you may divided P and Q by their greatest common factor so as to express the ratio in its simplest form.
How to calculate percentage of one number to another, a ratio (Y/X = P%): Calculator 2a is a word problem version of the equation Y/X = P% in 2b so they are solved the same way. This calculation is converting a ratio or fraction to a percentage.