No.
83/500
83 over 50 as a percentage = 166% = 83/50 * 100% = 1.66 * 100% = 166%
It is: 132/166 = 66/83 in its lowest terms
49.5% of 166= 49.5% * 166= 0.495 * 166= 82.17
It is 83/500.
83/5 = 166/10 = 16.6
5 times, with 9 left over.
The factors of 166 are: 1, 2, 83, 166
166 turned into a fraction = 166/1
Oh, dude, let me grab my calculator... Okay, so 16 goes into 166 about 10 times with a remainder of 6. But like, who's counting, right? Math is cool and all, but let's not get too hung up on the details.
166 to a percent = 16600% 166 * 100% = 16600%
166 in Roman numerals is CLXVI.