344.59% is the change from 74 to 329
Calculation steps:
[( 329 - 74 ) ÷ 74] x 100 = 344.59%
Formula
Percentage change = [(329 - 74) / 74] x 100
Subtract the new number by the original number
329 - 74 = 255
255 ÷ 74 = 3.445945945945946
3.445945945945946 x 100 = 344.59%