69.1% is the change from 479 to 810
Calculation steps:
[( 810 - 479 ) ÷ 479] x 100 = 69.1%
Formula
Percentage change = [(810 - 479) / 479] x 100
Subtract the new number by the original number
810 - 479 = 331
331 ÷ 479 = 0.6910229645093946
0.6910229645093946 x 100 = 69.1%