16.03% is the change from 343 to 398
Calculation steps:
[( 398 - 343 ) ÷ 343] x 100 = 16.03%
Formula
Percentage change = [(398 - 343) / 343] x 100
Subtract the new number by the original number
398 - 343 = 55
55 ÷ 343 = 0.16034985422740525
0.16034985422740525 x 100 = 16.03%