4.09% is the change from 391 to 407
Calculation steps:
[( 407 - 391 ) ÷ 391] x 100 = 4.09%
Formula
Percentage change = [(407 - 391) / 391] x 100
Subtract the new number by the original number
407 - 391 = 16
16 ÷ 391 = 0.04092071611253197
0.04092071611253197 x 100 = 4.09%