Sort array of arrays

Given an array of arrays array. Nested arrays contain only numbers. Return new array with same nested arrays. Nested arrays are sorted descending from one with largest summary of its memebers.

sortArrays([[1], [1, 1], [-2], []])

sortArrays([[1, 2, 3],
            [2, 1, 3],
            [0, 2, -3],
            [9, -9, 1]])