use a quantifier: 71% of the Earth's surface is covered in water
Most of the Earth's surface is covered in water
How many people in your family are working right now?
X people in my family are working right now
Use a quantifer: Women make up 49% of the world's population
Women make up a lot of the world's population
use a quantifier: 11% of people are left handed
few people are left-handed