original: Approximately ten percent of the known runestones announce the travels and deaths of men abroad.
simplifications: Approximately ten percent of the known runestones tell about the travels and deaths of men abroad. About ten percent of runestones tell of the travels and deaths of men abroad. Around ten percent of the runestones inform about the travels and deaths of men abroad. About ten percent of the known runestones speak about the travels and deaths of men abroad. About ten percent of the known runestones declare the travels and deaths of men abroad. About ten percent of known runestones tell the travels and deaths of men abroad. About ten percent of the known runestones announce the travels and deaths of men abroad. About ten percent of the known runestones writings talk about the travels and deaths of men abroad. Of all runestones, 10 percent show travels and deaths of men abroad. Runestones are used to announce message. Nearly 10% runestones declare the travels and death of  men in foreign countries.