Total converted shares by variant graph shows the wrong variant as winner

[sandramchung]

On production with our test variants report (https://share.moveon.org/admin/report/petitions.moveon.org/sign/lets-rebuild-the-petition#) we should currently be seeing that variant 220 accounts for 100% of the converted shares. Variant 222 is winning instead.
You can see from the first graph that only 220 has converted:

But the Total converted shares by variant graph says 222 is accounting for 100% of converted shares.