6.52% is the change from 399 to 425
Calculation steps:
[( 425 - 399 ) ÷ 399] x 100 = 6.52%
Formula
Percentage change = [(425 - 399) / 399] x 100
Subtract the new number by the original number
425 - 399 = 26
26 ÷ 399 = 0.06516290726817042
0.06516290726817042 x 100 = 6.52%