One thousand eight hundred fifty-one hundred-thousandths percent.
Eighty percent.
5.20 percent in words = 5 and twenty hundredths percent
1851 = MDCCCLI
Like this: Seventy percent.
Twenty-eight percent.
One and a half percent.
Twenty-one percent.
One tenth percent.
Twenty-five percent.
Fifty-five percent.
1.5% in words = one and five tenths percent
two-tenths of a percent