54.49% is the change from 512 to 791
Calculation steps:
[( 791 - 512 ) ÷ 512] x 100 = 54.49%
Formula
Percentage change = [(791 - 512) / 512] x 100
Subtract the new number by the original number
791 - 512 = 279
279 ÷ 512 = 0.544921875
0.544921875 x 100 = 54.49%