Confused about 'total destruction'?

[derekc22]

I'm not sure about the underlined part
I think it's more like "average of all best attacks but not counting unhit bases as 0%"

I was under the impression that every attack made was calculated for average destruction, but I admit, I've never tested it or looked very closely at it.

[Yoyobuae]

Destruction % has nothing to do with stars achieved per attack. A clan could have 99% total destruction but only have one star from each enemy base (99% one star on every attack). And if then every base is attacked for 2 stars and 50% destruction then their total destruction would go down to 50%.

I'm not sure about the underlined part
I think it's more like "average of all best attacks but not counting unhit bases as 0%"

I don't know why SC has kept this stat. It adds more to confusing people than it actually helps. Anyone which understands this stat could just as well calculate it themselves.