58.63% is the change from 510 to 809
Calculation steps:
[( 809 - 510 ) ÷ 510] x 100 = 58.63%
Formula
Percentage change = [(809 - 510) / 510] x 100
Subtract the new number by the original number
809 - 510 = 299
299 ÷ 510 = 0.5862745098039216
0.5862745098039216 x 100 = 58.63%