....of the world's population left us in the year now ending, due to acts of
nature.

200k - Tsunami
1k - Katrina
79k - Kashmir

280,000 is what percent of 6,000,000,000?

280,000 = x6,000,000,000

28 = x600,000

28/600,000 = x600,000/600,000

x = .0000466

x = .00466

It's been 10 years since I've had a math course. Can anyone correct my
figuring?