I like the idea of having a %-based system, but the activity score is also useful because it tells how many activities that person has completed. How about adding this scoring system instead of replacing activity score? Person has played X games and has a Y% "show-up"/"completion" rate. Keeping track of total games will also give more weight to the %-based system. Sure 100% looks nice, but has that person played 100 games, or only 10?
I like the idea of having a %-based system, but the activity score is also useful because it tells how many activities that person has completed. How about adding this scoring system instead of replacing activity score? Person has played X games and has a Y% "show-up"/"completion" rate. Keeping track of total games will also give more weight to the %-based system. Sure 100% looks nice, but has that person played 100 games, or only 10?