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Normally I would say utilization being lowered by the higher CL's, but you're only at 1% so I'm not sure if that is a factor.
Try comparing your current report to last montsh to see the exact changes.
The only way there would be any score change is not from CLI's. It's what the CLI's did to change your util. Even from 1% to 2% usage can be a couple points. Or vice versa on some CRA reports. CLI's on their own don't change scores. Like @Anonymous said. Dont sweat it. Its only 2 points.
Have there been any changes to AU account during this time?
AU accounts, when it comes to scoring, are less predictable than your own.
As an example, if AU is the only one to report, you'd lose a decent chunk of points till your own account reports again.
Another thing, sometimes there are a few points lost when only store card reports.
SPs definitely do not cause dings. If they did, my scores would be in negative.