Columns: Week Number(or Date of Week), Weekly ROI%, Rolling ROI%

Weekly ROI% Calculation: 
=(This Friday's Ending Balance Last Friday Ending Balance) - 1

Rolling ROI% Calculation:
=(This Friday's Ending Balance Your principal) - 1

Your Principal: The money you started with since you followed the system.

When you deposited more money, True Rolling ROI% Calculation:
1. Calculate Weekly ROI%: = ((This Friday's Ending Balance - Deposit) Last Friday Ending Balance) - 1
2. Each Week's Rolling Balance = (Last Friday Ending Balance x This week's ROI%) + Last Friday Ending Balance

How to create a graph:

1. Highlight Rolling ROI% Column(Data Cells only)
2. From the Excel menu at the top, click Insert and select "Insert Line Chart"