Complex sentence: When the team was deciding on the number of Hunters in a match, they chose four as they believed it was the optimal number in a team, as players would not lose track of the stats and health of other players.
Split into simpler sentences: When the team was deciding the number of hunters in a match, they chose four. They thought that four was the most optimal number in a match, as players would not lose track of the stats and health of other players.