58.51% is the change from 511 to 810
Calculation steps:
[( 810 - 511 ) ÷ 511] x 100 = 58.51%
Formula
Percentage change = [(810 - 511) / 511] x 100
Subtract the new number by the original number
810 - 511 = 299
299 ÷ 511 = 0.5851272015655578
0.5851272015655578 x 100 = 58.51%