Per Centum -

Percentages over 100% (e.g., 200%) signify a whole plus an additional amount (2 times the original amount). Related Technical Terms Per Mille (‰): Parts per thousand (1 in 1,000).

The term evolved over time. "Per" was often abbreviated to "p", and "cento" was contracted until it eventually became the modern symbol: %. per centum

A percentage breaks down any quantity into 100 parts, making it a standardized metric for comparison. Percentages over 100% (e