2.84% is the change from 387 to 398
Calculation steps:
[( 398 - 387 ) ÷ 387] x 100 = 2.84%
Formula
Percentage change = [(398 - 387) / 387] x 100
Subtract the new number by the original number
398 - 387 = 11
11 ÷ 387 = 0.028423772609819122
0.028423772609819122 x 100 = 2.84%