568.75% is the change from 48 to 321
Calculation steps:
[( 321 - 48 ) ÷ 48] x 100 = 568.75%
Formula
Percentage change = [(321 - 48) / 48] x 100
Subtract the new number by the original number
321 - 48 = 273
273 ÷ 48 = 5.6875
5.6875 x 100 = 568.75%
Example