37.01% is the change from 308 to 422
Calculation steps:
[( 422 - 308 ) ÷ 308] x 100 = 37.01%
Formula
Percentage change = [(422 - 308) / 308] x 100
Subtract the new number by the original number
422 - 308 = 114
114 ÷ 308 = 0.37012987012987014
0.37012987012987014 x 100 = 37.01%