Question

For each pair of numbers, tell: By what percent of the first number is the second number larger? By what percent of the second number is the first number smaller?10 and 20

Answer 1

(20/10 -1)*100% = 100% . . . . . the second number is 100% larger than the first

(10/20 -1)*100% = -50% . . . . . the first number is 50% smaller than the second