282.74% is the change from 168 to 643
Calculation steps:
[( 643 - 168 ) ÷ 168] x 100 = 282.74%
Formula
Percentage change = [(643 - 168) / 168] x 100
Subtract the new number by the original number
643 - 168 = 475
475 ÷ 168 = 2.8273809523809526
2.8273809523809526 x 100 = 282.74%