58.82% is the change from 510 to 810
Calculation steps:
[( 810 - 510 ) ÷ 510] x 100 = 58.82%
Formula
Percentage change = [(810 - 510) / 510] x 100
Subtract the new number by the original number
810 - 510 = 300
300 ÷ 510 = 0.5882352941176471
0.5882352941176471 x 100 = 58.82%