8.6957% increase.
Well, 92 percent of 250 is 230. You cannot take the percent of a percernt if the actual beginning number is not specified :-0
250% increase
2% increase.
66.6667% increase.
10% increase.
56%
262.50
30.43% increase
It is: 230+250 = 480
270 is 8% more than 250.
150% increase over 10 years.
60% decrease