Where an individual’s excess earnings are charged to a month and the excess earnings so charged are less than the total of the payments (without regard to such charging) to which all persons (excluding divorced spouses referred to in subsection (b)(2)) are entitled under section 402 of this title for such month on the basis of his wages and self-employment income, the difference between such total and the excess so charged to such month shall be paid (if it is otherwise payable under this subchapter) to such individual and other persons in the proportion that the benefit to which each of them is entitled (without regard to such charging, without the application of section 402(k)(3) of this title , and prior to the application of section 403(a) of this title ) bears to the total of the benefits to which all of them are entitled.