Add committee_category for PAC totals, additional percentage fields

Raising

Hybrid PACs
percentage contributions to contribution account - Line 11(d) / Line 19 (mockup reference donut 1)
percentage contributions to non-contribution account - Line 17 / Line 19 (mockup reference donut 2)

SSFs
percentage itemized individual contributions - Line 11(a)(i) / Line 19 (mockup reference donut 1)
percentage unitemized individual contributions - Line 11(a)(ii) / Line 19 (mockup reference donut 2)

Other traditional PACs
percentage contributions from individuals - Line 11(a)(iii) / Line 19 (mockup reference donut 1)
percentage contribution from parties and other committees - (Line 11(b) + Line 11(c)) / Line 19 (mockup reference donut 2)

Super PACs
percentage contributions from individuals - Line 11(a)(iii) / Line 19 (mockup reference donut 1)
percentage contribution from parties and other committees - (Line 11(b) + Line 11(c)) / Line 19 (mockup reference donut 2)

Completion criteria:

• Add committee_category for PAC total (see 🔒 https://docs.google.com/spreadsheets/d/1IJOnb0o7MbfVuUklBrHx-4qic7_CpbEt4wmG1mti74Q/edit#gid=798440796)
• Add the following 4 fields:
  • contributions_percent (Line 11(d) / Line 19)
  • other_federal_receipts_percent (Line 17 / Line 19)
  • itemized_individual_contributions_percent (Line 11(a)(i) / Line 19)
  • unitemized_individual_contributions_percent (Line 11(a)(ii) / Line 19)
  • party_and_other_committee_contributions_percent (Line 11(b) + Line 11(c)) / Line 19) already complete
  • individual_contributions_percent (Line 11(a)(iii) / Line 19) already complete