An easy solution would be to load the values in excel of your planned work, and then load the values of your actuals, and you can display progress using a cumulative graph. Here's an example: ![enter image description here](
I used 155 as your planning value and loaded it assuming equal numbers each week, which produced a flat loaded schedule. Then I made up actual values but showed it to be behind the plan. From here, you can forecast where you are headed based on actual performance using a simple forecast formula in excel, or you could bring a bit more sophistication by using Earned Schedule analytics and it will predict when you will finish based on your schedule performance to date.
The graphic is a nice way to show to stakeholders--easy to read and digest and hard to dispute in terms of your forecast from it.
Adding two types of forecasts: formula in excel and ES:
![enter image description here](