Yes, it's half.
100
Multiples of 50 that are less than 200 are 100 and 150.
That would be -100, or "negative one hundred".
greater
100 is 50% of 200.
200
239 to the nearest 100 is 200. When rounding a number to the nearest 100, you look at the digit in the tens place. If it is 5 or greater, you round up; if it is less than 5, you round down. In this case, the tens digit in 239 is 3, so you round down to the nearest 100, which is 200.
200
100 millimetres = 1 decimetre therefore 20 millimetres is much less than 200 decimetrers.
It is: 200/100 times 100 = 200%
100, 200, 300, 400, 500, 600, 700, 800, 900
-677.375 is 150% less than 1354.75. "150% less than" means "100 percent of minus 150 percent of." So: x is 0% more/less than x. 2x is 100% more than x. 3x is 200% more than x. Zero is 100% less than x, and -x is 200% less than x.