Why is extreme varies between branch click to google analitycs statistics

When i upload new article to our website (getx.co.il)
The post in facebook is shorten with branch
What is the resaon the for example i have 2000 branch link click and only 200 visitor in the article (from google ananlitycs data) – fom the same time
For example this link

Getx.co.il — Other
1 Answer(s)
Answered on June 5, 2017.

Can you share the case details with our integrations team here and we will look into this.