This is the 78th most frequent Serbian word.
одсто
"Одсто" means "percent."
In this sentence, "одсто" (percent) is used to express a specific percentage (10%) of a quantity.
Повећање од 10 одсто је значајно за нашу компанију.
An increase of 10 percent is significant for our company.
Here, "одсто" is used to describe probability or likelihood in percentage terms (20%).
Има око двадесет одсто вероватноће да ће сутра падати киша.
There is about a twenty-percent chance that it will rain tomorrow.
In this example, "одсто" is part of a numerical statement indicating a proportion (90%) of a larger set (correct answers).