Complex sentence: The number of children housed and cared for was reduced from an average of 582 children per year between 1871-1879 to 300 in the new facility, where living arrangements were modeled on typical family life; married couples lived with and cared for the children.
Split into simpler sentences: The number of children housed and cared for was reduced from an average of 582 children per year between 1871-1879 to 300 in the new facility. Life in the new facility was modled on typical family life; married couples lived with and cared for the children.