SPIDER-VERSE had an expected drop (though not horrendous). That's why it's hard to gauge a film like that -- it's not really a traditional cartoon, and it's not a traditional live-action Spider-Man movie either. It's already taken in a bundle.
1 - Transformers: Rise of the Beasts $60,500,000 - 3,678 - $16,449 $60,500,000 1 Paramount Pictures
2 1 Spider-Man: Across the Spider-Verse $55,425,000 -54.1% 4,332 +19 $12,794 $225,445,978 2 Columbia Pictures
3 2 The Little Mermaid $22,790,000 -44.9% 4,320 - $5,275 $228,810,339 3 Walt Disney Studios Motion Pictures
4 4 Guardians of the Galaxy Vol. 3 $7,028,000 -34.2% 3,175 -405 $2,213 $335,400,769 6 Walt Disney Studios Motion Pictures
5 3 The Boogeyman $6,917,000 -44% 3,205 - $2,158 $24,737,895 2 Walt Disney Studios Motion Pictures
6 5 Fast X $5,170,000 -46.1% 2,822 -645 $1,832 $138,097,395 4 Universal Pictures
7 6 The Super Mario Bros. Movie $2,120,000 -37.1% 1,789 -555 $1,185 $570,162,990 10 Universal Pictures