155.32% is the change from 329 to 840
Calculation steps:
[( 840 - 329 ) ÷ 329] x 100 = 155.32%
Formula
Percentage change = [(840 - 329) / 329] x 100
Subtract the new number by the original number
840 - 329 = 511
511 ÷ 329 = 1.553191489361702
1.553191489361702 x 100 = 155.32%