It is closer to 700.
It is the same distance from 700 to 800.
Do the subtractions - 735 - 700, versus 800 - 735, and see which is less.
100 + 700 = 800
700
800
700 + 800 = 1500/2 = 750
800
653 is closer to 700 than 800
The halfway point between 700 and 800 is (700 + 800) ÷ 2 = 750
800
700.