23.38% is the change from 308 to 380
Calculation steps:
[( 380 - 308 ) ÷ 308] x 100 = 23.38%
Formula
Percentage change = [(380 - 308) / 308] x 100
Subtract the new number by the original number
380 - 308 = 72
72 ÷ 308 = 0.23376623376623376
0.23376623376623376 x 100 = 23.38%