54.6% is the change from 511 to 790
Calculation steps:
[( 790 - 511 ) ÷ 511] x 100 = 54.6%
Formula
Percentage change = [(790 - 511) / 511] x 100
Subtract the new number by the original number
790 - 511 = 279
279 ÷ 511 = 0.5459882583170255
0.5459882583170255 x 100 = 54.6%