29.96% is the change from 237 to 308
Calculation steps:
[( 308 - 237 ) ÷ 237] x 100 = 29.96%
Formula
Percentage change = [(308 - 237) / 237] x 100
Subtract the new number by the original number
308 - 237 = 71
71 ÷ 237 = 0.29957805907172996
0.29957805907172996 x 100 = 29.96%