That's going to have a lot to do with which nation you're talking about.
Buddhism
90
90% of middle easterners are Muslim.
Egypt is almost entirely covered by the Sahara.
The predominant religion of Brazil is Roman Catholic. Approximately 64.6 percent of the nation refer to themselves as Roman Catholic, according to the latest census. Following Catholicism, the next largest religious group is Protestant. This is represented by 22.2 percent of the nation. The remaining 13.4 percent is divided upon other religions or no professed religion at all.
Cuba's main belief is in the religion called Santeria. About 90 percent of Cuba's population believes in this form of religion.
The most common religion in Namibia is Christianity, which is adhered to by about 90 percent of the population. The largest denominational group are Lutherans.
Christian, but follow the Roman Catholic strand.
90 percent of what?
"90 percent" means 0.9, and "of" in arithmetic usually means "times". 0.9 x 90 = 81. 90 percent of 90 is 81.
FORTY IS WHAT PERCENT OF 90? FORTY IS WHAT PERCENT OF 90?
100 percent is 725.59 90 percent is 653.031