memory

i read it in a site that it is an outcome of studies by experimentation that 82% of what a person hears/reads in one day is forgotten the next day

but i have seen in many instances that i can remember almost 80% of what i read etc the next day, atleast the important points... this study seems to be totally false, there r instances where i forget sometimes.... and i think there may be ppl who can remember more.... swami vivekananda said by observance of brahmacharya /continence u'll remember what u hear/read once ...