If the Department of Finance and the Legislative Analyst jointly determine that the estimated annual increase in revenues as a result of the amendment, addition, or repeal of Sections 25128, 25128.5, 25128.7, and 25136 of the Revenue and Taxation Code is less than one billion one hundred million dollars ($1,100,000,000), the amount transferred to the Job Creation Fund shall be decreased to an amount equal to one-half of the estimated annual increase in revenues.