And time, spanning thousands of years for those wo conglomerates and comparing that to a few centuries in the Americas divided by colonizer, ignoring the practice in and the utilizing of those in countries over which Europeans controlled or otherwise exploited.
Add that to European history going back to Greece and Rome, and the numbers add up quite differently.
Of course, OP will claim it refers to African slavery in the USA, but the comparison to others makes that just another detail cherry picked to fit a deliberately awkward pretzelated narrative.