numbers on your double drops?

Day 2 results (Maxed out Catina energy refreshes)
-Vet Chewie
320 energy, 20 sims, 6 shards
320 energy, 20 sims, 18 shards
320 energy, 20 sims, 8 shards
=960 energy, 60 sims, 32 shards...32/60 = .53%

-Vet Han
320 energy, 20 sims, 8 shards
320 energy, 20 sims, 20 shards
320 energy, 20 sims, 14 shards
=960 energy, 60 sims, 42 shards...42/60 = .70%

Overall 120 attempts, 74 shards = .61%

You're still making the same mistakes.

Number one, it's 70%. .70% is less than 1%

Number two, you're including double drops in your percentages. If you got 42 shards on 60 sims, you had a 21/60 = 35% success rate.