123.69% is the change from 287 to 642
Calculation steps:
[( 642 - 287 ) ÷ 287] x 100 = 123.69%
Formula
Percentage change = [(642 - 287) / 287] x 100
Subtract the new number by the original number
642 - 287 = 355
355 ÷ 287 = 1.2369337979094077
1.2369337979094077 x 100 = 123.69%