Notwithstanding any other law, the increases determined pursuant to Sections 42289, 42289.1, 42289.3, and 42289.4 shall be permanently increased for the 1998–99 fiscal year by the quotient, for each school district eligible for an increase, of the amount determined pursuant to subparagraph (B) of paragraph (3) of subdivision (a) of Section 42238.8, as that section read on January 1, 2013, divided by the amount determined pursuant to subparagraph (C) of paragraph (3) of subdivision (a) of Section 42238.8, as that section read on January 1, 2013.