How to divide Nanchong flexible employment social security personal account?

Nanchong flexible employees' social security personal accounts are divided into individual contributions of 8%. The contribution rate of flexible employees is 20%, which is 4 percentage points lower than that of the unit. The low 4 percentage points are paid by the state. Of the 20% paid by individuals, 12% is included in the overall account, and 8% is included in the individual account. Only 12% is included in the overall account, which is 4 percentage points lower than the 16% paid by the company. These 4 percentage points are paid by the state.