25.49% is the change from 408 to 512
Calculation steps:
[( 512 - 408 ) ÷ 408] x 100 = 25.49%
Formula
Percentage change = [(512 - 408) / 408] x 100
Subtract the new number by the original number
512 - 408 = 104
104 ÷ 408 = 0.2549019607843137
0.2549019607843137 x 100 = 25.49%