Was on klonopin for years switched to ativan (lorazepam) 6mg for 15 days now switched back to my clonazepam 2mg on my 4th day bavk on klonopin noticed mypulse been a little low high 60 to low 70's is this normal?

Pulse. Your pulse rate seems to be within normal limits. However, i'm concerned with the dosage of medication you describe and recommend that you visit with your prescribing physician.
Normal. Pulse in the 60s-80s is normal for a 22yo (...And most other adults).