145.9% is the change from 329 to 809
Calculation steps:
[( 809 - 329 ) ÷ 329] x 100 = 145.9%
Formula
Percentage change = [(809 - 329) / 329] x 100
Subtract the new number by the original number
809 - 329 = 480
480 ÷ 329 = 1.458966565349544
1.458966565349544 x 100 = 145.9%