[octagonal]

33 people: 0.00000045810% of the earth's population

100 people: 0.00000134736% of the earth's population

Seems fairly comparable to me.

[notJim]

Yes, because when humans think of groups of people, we usually think in terms of percentage of Earth's population.

"How many people are coming over for dinner tonight?"

"Oh, not too many, just about 2.8070175e-10%"

"Ahh, so one chicken will do"