While estimating the nitrogen present in an organic compound by Kjeldahl’s method, the ammonia evolved from \( 0.25 \, \text{g} \) of the compound neutralized \( 2.5 \, \text{mL} \) of \( 2 \, \text{M} \, \mathrm{H_2SO_4} \). The percentage of nitrogen present in organic compound is ______.
