29.39% is the change from 245 to 317
Calculation steps:
[( 317 - 245 ) ÷ 245] x 100 = 29.39%
Formula
Percentage change = [(317 - 245) / 245] x 100
Subtract the new number by the original number
317 - 245 = 72
72 ÷ 245 = 0.2938775510204082
0.2938775510204082 x 100 = 29.39%