23.29% is the change from 249 to 307
Calculation steps:
[( 307 - 249 ) ÷ 249] x 100 = 23.29%
Formula
Percentage change = [(307 - 249) / 249] x 100
Subtract the new number by the original number
307 - 249 = 58
58 ÷ 249 = 0.23293172690763053
0.23293172690763053 x 100 = 23.29%