29.62% is the change from 395 to 512
Calculation steps:
[( 512 - 395 ) ÷ 395] x 100 = 29.62%
Formula
Percentage change = [(512 - 395) / 395] x 100
Subtract the new number by the original number
512 - 395 = 117
117 ÷ 395 = 0.29620253164556964
0.29620253164556964 x 100 = 29.62%