How to calculate the overdue amount after the adjustment of social security base?

This coefficient is increased by 0. 1 every year before the supplementary payment year. According to Linlin's survey. Com, the payment amount after the adjustment of social security base is calculated according to the current payment ratio of enterprises, that is, 28%, 20% for enterprises and 8% for individuals. The starting point of repayment coefficient is 1. 1, and the coefficient increases by 0. 1 every year before the repayment year, and is calculated year by year.