248.91% is the change from 184 to 642
Calculation steps:
[( 642 - 184 ) ÷ 184] x 100 = 248.91%
Formula
Percentage change = [(642 - 184) / 184] x 100
Subtract the new number by the original number
642 - 184 = 458
458 ÷ 184 = 2.489130434782609
2.489130434782609 x 100 = 248.91%