152.76% is the change from 254 to 642
Calculation steps:
[( 642 - 254 ) ÷ 254] x 100 = 152.76%
Formula
Percentage change = [(642 - 254) / 254] x 100
Subtract the new number by the original number
642 - 254 = 388
388 ÷ 254 = 1.5275590551181102
1.5275590551181102 x 100 = 152.76%