558% is the change from 50 to 329
Calculation steps:
[( 329 - 50 ) ÷ 50] x 100 = 558%
Formula
Percentage change = [(329 - 50) / 50] x 100
Subtract the new number by the original number
329 - 50 = 279
279 ÷ 50 = 5.58
5.58 x 100 = 558%
Example