39.49% is the change from 395 to 551
Calculation steps:
[( 551 - 395 ) ÷ 395] x 100 = 39.49%
Formula
Percentage change = [(551 - 395) / 395] x 100
Subtract the new number by the original number
551 - 395 = 156
156 ÷ 395 = 0.3949367088607595
0.3949367088607595 x 100 = 39.49%