USA: Household Equity Dropping

From Calculated Risk, we have the following Chart:

31% of households do not have a mortgage..so the remaining 69% have only 20% equity left in the houses.  How much more downside in home prices?

Before this ends, a calamity of calamities is possible...Bank mortgage officers as Realty agents?

Financial crisis morphs to Economic crisis may morph back into financial crisis...RESONANCE frequency reached?