What percentage of your daily calories should come from protein?

What percentage of your daily calories should come from protein?

In general, it's recommended that 10% to 35% of your daily calories come from protein.  Most Americans fall well within that range, getting about 12%-18% of their calories as protein.

http://www.m.webmd.com/fitness-exercise/rm-quiz-protein-myths-facts?ecd=wnl_alt_020114&ctr=wnl-alt-020114_ld-stry_1&mb=