398.4% is the change from 125 to 623
Calculation steps:
[( 623 - 125 ) ÷ 125] x 100 = 398.4%
Formula
Percentage change = [(623 - 125) / 125] x 100
Subtract the new number by the original number
623 - 125 = 498
498 ÷ 125 = 3.984
3.984 x 100 = 398.4%
Example