Your tree is pretty big and it's likely hot. So the tree is under some stress. Maybe too wet, too dry, or too much tea. A newly planted tree needs nothing but water. And a potted tree planted this late is hard to establish. You need to keep that rootball moist without drowning the tree until it can establish a larger root system.

The Fruitnut

Out of the other trees that I used the compost tea with They are all doing well their leaves havent changed color. so Im not sure what might have happened. the other pear tree that I have lost about three leaves but the nothing else happened to it. So Right now I am stumped.

I think I might have Over watered it. I checked the soil and its still moist I think I ill wait to water it till its alittle more dry under the mulch. But I am still concerned because the yellow leaves are falling and it looks like maybe a few more leaves turned yellow. but I wont know for sure until tonight when I check it

Probably a little transplant shock. Nothing more. It doesnt matter if all the leaves fall off as they will resprout when the roots get going. Dont sweat it too much as you cant kill Orient no matter what you do. It is about as tough as old boot leather and once the roots get going a little it will take care of itself.

Scape

Get a GOOD moisture meter so you can check out just how wet or dry the soil is, let the soil dry out a bit before you water so the roots will be drawn deeper into the soil looking for moisture before you water again.