As Specialized Rider Care mentions earlier in the thread, the motor power is actually the electrical input, not the mechanical output that an external power meter might measure. I’m still not sure how the mechanical output is more than the biker plus electrical input as @Zero mentions. I have...
It‘s hard to tell from the graph. But from elsewhere, it looks like the motor support is 2x the rider input? With a max of 240W? As an aside, would you be willing to share your spreadsheet?