12.24% is the change from 245 to 275
Calculation steps:
[( 275 - 245 ) ÷ 245] x 100 = 12.24%
Formula
Percentage change = [(275 - 245) / 245] x 100
Subtract the new number by the original number
275 - 245 = 30
30 ÷ 245 = 0.12244897959183673
0.12244897959183673 x 100 = 12.24%