487.5% is the change from 56 to 329
Calculation steps:
[( 329 - 56 ) ÷ 56] x 100 = 487.5%
Formula
Percentage change = [(329 - 56) / 56] x 100
Subtract the new number by the original number
329 - 56 = 273
273 ÷ 56 = 4.875
4.875 x 100 = 487.5%
Example