56.78% is the change from 509 to 798
Calculation steps:
[( 798 - 509 ) ÷ 509] x 100 = 56.78%
Formula
Percentage change = [(798 - 509) / 509] x 100
Subtract the new number by the original number
798 - 509 = 289
289 ÷ 509 = 0.5677799607072691
0.5677799607072691 x 100 = 56.78%