Prices are determined by supply and demand. Both are rather inelastic, especially in a highly desirable city like NYC, so very of the property taxes gets passed to the renters. If this weren't true, then renters in California would see savings from prop 13, but clearly that isn't happening.
Bobby gave Lisa $10. Lisa then gave $3 to Uncle Sam. What percentage of Bobby's money went to Uncle Sam? 30%. It's that simple. Bobby gave Uncle Sam 30% of his money.