What is the calculation method of medical insurance

Each month's medical insurance premium is parameterized by salary, the amount of unit contribution is: contribution salary x 7.5%, individual contribution: contribution salary x 2% (this is the medical insurance premium deducted from your salary each month). \The formula for calculating the five insurance and one pension is: \x0d\\ pension insurance = contribution base x 8% (individual contribution rate) + contribution base x 20% (unit contribution rate) \x0d\ medical insurance = contribution base x 2% (individual contribution rate) + contribution base x 12% (unit contribution rate) \x0d\ other social security programs and housing provident fund can also be calculated in accordance with the formula above The base for the contribution of the five insurance premiums is calculated according to the average monthly salary of the employee himself in the previous year.