Change the default zoom of a pdf document

We have a Web Application that creates the attached pdf document with a default zoom of 29%. I have Adobe 7 installed on my system. I wanted a way to change the default zoom of the document to be 100% so that when it is opened the numbers are visible enough. I tried zooming it to 100% and then saving it under a different name. But when opened again, it shows 29%.

So, the requirement is that when I open the attached document, it should open to 100% zoom.

Please help.

Thanks,
 data.pdf