goodreads_2018.org

Participants:	4,235,181
Books Pledged:	259,817,439
Books Finished:	56,102,660
Avg. Books Pledged:	61
Challenges Completed:	696,889

cleaned = blurb.lines.inject({}) do |result, line|
key, value = line.strip.split(":")
result[key.downcase] = value.strip.gsub(",", "").to_f
result
end

procent = (100/(cleaned["participants"] / cleaned["challenges completed"].to_f)).round(2)
puts "#{procent}% finished their challenge"