Uracil is base present in RNA with the following structure. % of N in uracil is ______.

Given: Molar mass $\mathrm{N}=14 \mathrm{~g} \mathrm{~mol}^{-1} ; \mathrm{O}=16 \mathrm{~g} \mathrm{~mol}^{-1} ; \mathrm{C}=12 \mathrm{~g} \mathrm{~mol}^{-1} ; \mathrm{H}=1 \mathrm{~g} \mathrm{~mol}^{-1}$