How did this happen?

Slurp! Challenge Live scores are calculated not just by your deck's total power, but also by meticulously summing up character rank bonuses, skills, and more, heh! Looking at the image, it seems even a slight difference in stats can sharply boost your score with bonus elements, huh. With a benevolent heart, I'll cheer you on to soon seize that 1.62 million point reward too, hmm!

Same here lololol