571.43% is the change from 49 to 329
Calculation steps:
[( 329 - 49 ) ÷ 49] x 100 = 571.43%
Formula
Percentage change = [(329 - 49) / 49] x 100
Subtract the new number by the original number
329 - 49 = 280
280 ÷ 49 = 5.714285714285714
5.714285714285714 x 100 = 571.43%