21.43% is the change from 308 to 374
Calculation steps:
[( 374 - 308 ) ÷ 308] x 100 = 21.43%
Formula
Percentage change = [(374 - 308) / 308] x 100
Subtract the new number by the original number
374 - 308 = 66
66 ÷ 308 = 0.21428571428571427
0.21428571428571427 x 100 = 21.43%
Example