145.15% is the change from 330 to 809
Calculation steps:
[( 809 - 330 ) ÷ 330] x 100 = 145.15%
Formula
Percentage change = [(809 - 330) / 330] x 100
Subtract the new number by the original number
809 - 330 = 479
479 ÷ 330 = 1.4515151515151514
1.4515151515151514 x 100 = 145.15%