Per ITP Draft Guide: (https://itpdraftguide.com/products/2017-itp-draft-guide)
1. % of Draft Value (2013-2016) - This figure represents the total draft value spent per position group as a percentage of total draft value during the four-year range. The draft value figure here used was devised by Chase Stuart at FootballPerspective.com and is one we prefer to the “traditional” Jimmy Johnson chart.
2. % of 2017 $ - This figure is the percentage of 2017 dollars (via OverTheCap.com) by allocated to a position group.