Health reflection overflows when a mob has high max health

[TheColdPot]

Description

If the max health of a mob is too high, when the system trys to put the health ratio back to the mob, the health overflows and become very small.

Steps to reproduce

• Summon an iron golem with high hp (e.g. an iron golem with 2.1B max health).
• Hit it with your empty hand.
• Although only a tiny part of the health of the iron golem is missing, the iron golem apears to be greatly damaged.