To find the percent of 37 out of 71, you must divide them out and move the decimal two places to the right.
So we can put the expression as so:
37 / 71 = ?
Now, divide the two to get:
37 / 71 = 0.52112
We must move the decimal two places to the right to get the percent:
0.52112 ...now is... 52.112%
Notice the key word about, so this means to round:
52.112% ...now is... 52%
Hope I could help! If I did my math incorrectly, please let me know!
Have a good one.