57.74% is the change from 407 to 642
Calculation steps:
[( 642 - 407 ) ÷ 407] x 100 = 57.74%
Formula
Percentage change = [(642 - 407) / 407] x 100
Subtract the new number by the original number
642 - 407 = 235
235 ÷ 407 = 0.5773955773955773
0.5773955773955773 x 100 = 57.74%