Back Testing results vs. Real Trading comparison

 

Hello Community,

I am new, and have been getting amazing results with back testing on a demo account. Once I open and fund a live account and apply the exact same EA and variables, should I expect similar results?

I have watched some videos, and I do not expect the exact same results, but possibly within 80-90%?

Please share your own back testing and then what your real results were, thanks!

And if there is already a thread on this, please point me in that direction.