Reputation Gains and Losses

I am not sure how it was in Vanilla, can anyone clarify?
When killing Magram/Gelkis clan centaurs, I gain 20 reputation/lose 100 reputation respectively. If I group, it splits like it would experience. Is this working as intended?
When killing Magram/Gelkis clan centaurs, I gain 20 reputation/lose 100 reputation respectively. If I group, it splits like it would experience. Is this working as intended?