153.15% is the change from 254 to 643
Calculation steps:
[( 643 - 254 ) ÷ 254] x 100 = 153.15%
Formula
Percentage change = [(643 - 254) / 254] x 100
Subtract the new number by the original number
643 - 254 = 389
389 ÷ 254 = 1.531496062992126
1.531496062992126 x 100 = 153.15%