You clearly can't compare those two percentages. One of them is over the total energy consumption of the society and the other over the energy needed be keep a

You clearly can't compare those two percentages. One of them is over the total energy consumption of the society and the other over the energy needed be keep a human alive. Computers would not get "magically" more efficient if another industry triples to overall energy consumption of our society, yet that is what your analysis would suggest...