556.41% is the change from 78 to 512
Calculation steps:
[( 512 - 78 ) ÷ 78] x 100 = 556.41%
Formula
Percentage change = [(512 - 78) / 78] x 100
Subtract the new number by the original number
512 - 78 = 434
434 ÷ 78 = 5.564102564102564
5.564102564102564 x 100 = 556.41%