392.31% is the change from 104 to 512
Calculation steps:
[( 512 - 104 ) ÷ 104] x 100 = 392.31%
Formula
Percentage change = [(512 - 104) / 104] x 100
Subtract the new number by the original number
512 - 104 = 408
408 ÷ 104 = 3.923076923076923
3.923076923076923 x 100 = 392.31%