A RS chart that compared Ind to the SPY would be reduced by .0186 and the Tech to Spy would be increased by .028. So you are correct.
I keep a numer of RS charts: SML/SPY, MID/SPY, SML/MID, RPV/RPG etc. Make a 200 and 50 dma of the RS line and when the 50 crosses the 200 it's very telling.