How to show report loading status (0 to 100%)?

Hay, Visual experts. 

While working with a large dataset, my report users are facing some complexity to understand report is loaded 100% or not.? 

To overcome this issue, I thought If I could add a report loading status visual or something until it was completely loaded it will solve the problem. But, the problem was I do not find any way to implement this functionality. 

Need your help. 

The report is Loading visual could be looks like that:

Report loading...