passing a variable from one Page html to a new Page html.

passing a variable from one Page html to a new Page html.

A-  
I have one html Page where I calculate a variable.

B-  
Then I want to open a new html Page, and send the variable along.
Using the code below ("TestVar" is the hardcoded variable for testing purpose):
<a href=" https://creator.zoho.com/zoho_lh/lhapp/view-perma/LHslett/Variabel='TestVar'", "same window"> <button>Paid</button> </a>

C- 
In the new html Page I want to see/show the variable!
Can this be done?
Something like:

htmlpage LHslett(Variable)
<%{%>    &nbsp;
<p>Variable</p>
<%}%>

This not working ofcourse, but I simply want to display the variable in the new html page.

Thank you for any suggestions