How to calculate the social security paid by both companies when changing jobs

1, first of all, the total amount of social security paid by the two companies to add up the total amount paid.

2, and then the two companies to pay the company part of the social security company to add up the total amount of the company part of the total payment.

3, and finally the individual part of the social security paid by the two companies will be added together to arrive at the total amount of the individual part of the payment.