53.91% is the change from 512 to 788
Calculation steps:
[( 788 - 512 ) ÷ 512] x 100 = 53.91%
Formula
Percentage change = [(788 - 512) / 512] x 100
Subtract the new number by the original number
788 - 512 = 276
276 ÷ 512 = 0.5390625
0.5390625 x 100 = 53.91%