422.76% is the change from 123 to 643
Calculation steps:
[( 643 - 123 ) ÷ 123] x 100 = 422.76%
Formula
Percentage change = [(643 - 123) / 123] x 100
Subtract the new number by the original number
643 - 123 = 520
520 ÷ 123 = 4.227642276422764
4.227642276422764 x 100 = 422.76%