Further with the percentages: "200% more" is not "2x" but many seem to write like that. "200% more" would be twice as much (200%) MORE than already existing (10

Further with the percentages: "200% more" is not "2x" but many seem to write like that. "200% more" would be twice as much (200%) MORE than already existing (100%) for a final value of three times (300%) the original value.