Basically, consider you have 4 servers and you're ranked differently on each.
Example Dataset
1
2
3
4
2
3
4
Server 1 - 45 out of 500 players Server 2 - 20 out of 7,928 Server 3 - 2 out of 32 Server 4 - 1,672 out of 17,425
How can I calculate a global rank from this data?