129/120 = 107.5%
A value like 129/120, or 107.5%, can show up when something is a little more than the original amount. For example, a store might sell 7.5% more products than expected, or a runner might complete 107.5% of a planned distance.
To picture it quickly, think of 100% as one full amount and 107.5% as that full amount plus a small extra piece. It is slightly more than 1, so 129/120 is just a bit greater than one whole.
A common mistake is to assume that a percentage over 100% must be extremely large. In reality, 107.5% is only 7.5% above the starting amount, not 107.5% more than it.