24.9% is the change from 245 to 306
Calculation steps:
[( 306 - 245 ) ÷ 245] x 100 = 24.9%
Formula
Percentage change = [(306 - 245) / 245] x 100
Subtract the new number by the original number
306 - 245 = 61
61 ÷ 245 = 0.24897959183673468
0.24897959183673468 x 100 = 24.9%