16.88% is the change from 320 to 374
Calculation steps:
[( 374 - 320 ) ÷ 320] x 100 = 16.88%
Formula
Percentage change = [(374 - 320) / 320] x 100
Subtract the new number by the original number
374 - 320 = 54
54 ÷ 320 = 0.16875
0.16875 x 100 = 16.88%