79.83% is the change from 357 to 642
Calculation steps:
[( 642 - 357 ) ÷ 357] x 100 = 79.83%
Formula
Percentage change = [(642 - 357) / 357] x 100
Subtract the new number by the original number
642 - 357 = 285
285 ÷ 357 = 0.7983193277310925
0.7983193277310925 x 100 = 79.83%