Battle sign and Racoon eyes for trauma

An 81 patient presents to the emergency center with burns to their body after a home fire. The nurse notes multiple burns to their body. She notes burns to the entire anterior/posterior right leg, burns to the left upper anterior leg, and burns to the whole head. What is the total estimated percentage of burns?What would the percentages be if the patient was an 8-month-old infant?

After such a scenario the patient may be traumatized. Explain what is the difference between the “Battle sign and Racoon eyes” for trauma.