57.56% is the change from 509 to 802
Calculation steps:
[( 802 - 509 ) ÷ 509] x 100 = 57.56%
Formula
Percentage change = [(802 - 509) / 509] x 100
Subtract the new number by the original number
802 - 509 = 293
293 ÷ 509 = 0.5756385068762279
0.5756385068762279 x 100 = 57.56%