147.72% is the change from 329 to 815
Calculation steps:
[( 815 - 329 ) ÷ 329] x 100 = 147.72%
Formula
Percentage change = [(815 - 329) / 329] x 100
Subtract the new number by the original number
815 - 329 = 486
486 ÷ 329 = 1.4772036474164134
1.4772036474164134 x 100 = 147.72%