2.01% is the change from 399 to 407
Calculation steps:
[( 407 - 399 ) ÷ 399] x 100 = 2.01%
Formula
Percentage change = [(407 - 399) / 399] x 100
Subtract the new number by the original number
407 - 399 = 8
8 ÷ 399 = 0.020050125313283207
0.020050125313283207 x 100 = 2.01%