439.02% is the change from 123 to 663
Calculation steps:
[( 663 - 123 ) ÷ 123] x 100 = 439.02%
Formula
Percentage change = [(663 - 123) / 123] x 100
Subtract the new number by the original number
663 - 123 = 540
540 ÷ 123 = 4.390243902439025
4.390243902439025 x 100 = 439.02%