28.69% is the change from 237 to 305
Calculation steps:
[( 305 - 237 ) ÷ 237] x 100 = 28.69%
Formula
Percentage change = [(305 - 237) / 237] x 100
Subtract the new number by the original number
305 - 237 = 68
68 ÷ 237 = 0.2869198312236287
0.2869198312236287 x 100 = 28.69%