59.3% is the change from 511 to 814
Calculation steps:
[( 814 - 511 ) ÷ 511] x 100 = 59.3%
Formula
Percentage change = [(814 - 511) / 511] x 100
Subtract the new number by the original number
814 - 511 = 303
303 ÷ 511 = 0.5929549902152642
0.5929549902152642 x 100 = 59.3%