At present saturation is 1% with k 100 pools, based on staked supply (current active stake), not circulating supply. So we have at the moment circa 5 000 000 000 staked ADA/100, that gives 50 000 000 ADA saturation point.
When I play with the calculator it makes no difference at all when the pool has a percentage over the saturation point. My rewards stay the same. This is not what it is supposed to be, I assume? If the pool is below the saturation point, my rewards are slightly less. It should be the case that at the saturation point my rewards are the highest and that to both sides they become smaller, right? Is the calculator out of order?
Also the stake pool operators stake makes no difference. If it makes no difference, why should it appear in the calculator?