329.27% is the change from 123 to 528
Calculation steps:
[( 528 - 123 ) ÷ 123] x 100 = 329.27%
Formula
Percentage change = [(528 - 123) / 123] x 100
Subtract the new number by the original number
528 - 123 = 405
405 ÷ 123 = 3.292682926829268
3.292682926829268 x 100 = 329.27%