To solve this, convert everything into a decimal and out it in order. 75% would be .75, 1/2 would be .50, 0.375 would stay the same, and 5/8 would be .625.
Order from least to greatest:
0.375, .50, .625, and .75
Finally, convert it back to their original form:
0.375, 1/2, 5/8, and 75%