STV should use first-round total for vote percent

[artoonie]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.79%. Comparing base (b03d1b2) to head (46a1791).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #509      +/-   ##
==========================================
+ Coverage   96.77%   96.79%   +0.02%     
==========================================
  Files         121      121              
  Lines        5799     5805       +6     
==========================================
+ Hits         5612     5619       +7     
+ Misses        187      186       -1     

Flag	Coverage Δ
	96.79% <100.00%> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
visualizer/graph/graphSummary.py	98.68% <100.00%> (+0.07%)	⬆️
visualizer/sankey/graphToD3.py	100.00% <100.00%> (ø)
visualizer/tabular/tabular.py	99.46% <100.00%> (+<0.01%)	⬆️
visualizer/tests/testSimple.py	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

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