314.84% is the change from 155 to 643
Calculation steps:
[( 643 - 155 ) ÷ 155] x 100 = 314.84%
Formula
Percentage change = [(643 - 155) / 155] x 100
Subtract the new number by the original number
643 - 155 = 488
488 ÷ 155 = 3.1483870967741936
3.1483870967741936 x 100 = 314.84%