Project-GC knows about 116 finds you have on 22/9/2017. They have a combined difficulty of 326.5 and a combined terrain of 351, for a total of 677.5 points.
Geocaching.com seems to agree with the number of finds. For you to achieve 1120.5 points on 116 finds, you would need to have averaged 9.66 points per find. That's pretty much just 4.5/5, 5/4.5 and 5/5 caches and doesn't sound likely.
