I didn't put any title because of spoilers, read the below(Contains last minute spoiler)

https://preview.redd.it/p9kgsdfao6lg1.png?width=864&format=png&auto=webp&s=6bfe83e56d3d62576674d4ba490da5bf03659f67

When we say "80%", do we count the yellow arrow which is only Marley, or Eren first destroyed other 80% of the world, then came back to Marley?

Thanks!