50.12% is the change from 427 to 641
Calculation steps:
[( 641 - 427 ) ÷ 427] x 100 = 50.12%
Formula
Percentage change = [(641 - 427) / 427] x 100
Subtract the new number by the original number
641 - 427 = 214
214 ÷ 427 = 0.5011709601873536
0.5011709601873536 x 100 = 50.12%