It's doing much better on Amazon Japan, so I guess it will have a good ratio
Also, where's the Splatoon 2 vs DQ XI comparision chart?
Actually, if you look at the recent ranking trend, the Global Testpunch's effect is clearly visibile for Arms, contrary to the extreme slowness on Comgnet
You can clearly see the game's baseline going way higher after the first Testpunch's weekend. There's a further boost currently.