The popularity rating of Piston explained

Github Repository Rubygem
The highest rated repository is rails/rails with 25062 watchers and 9780 forks, resulting in a Github score of 100.00 The highest rated Rubygem is rake with 66212537 total downloads
These are the references for the score, marking the popularity of 100%
Now, the repository for Piston over at francois/piston has got 120 watchers and 23 forks, resulting in a Github score of 0.32 Now, the gem piston has got 41836 total downloads
Therefore, the relative popularity percentage can be calculated for Piston
0.32 watchers & forks * 100% = 0.32%
100.00 top score
41836 total downloads * 100% = 0.06%
66212537 top score
The average of those two values results in the score:


So, assuming everyone is using the most popular projects,
roughly one out of 100 Rubyists use Piston

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