The *Rate of change* analysis:

Calculates the changes from the end of each time series while

“Rate of change since” in *Scalar* analysis:

Calculates it from the end of the whole calendar. Meaning that if some series do not end at the same observation date, the calculation range will differ.

You can set the “Range Start” and “Range End” in the *Scalar* analysis to make sure the calculation is done on the same range across all input series.

Example: