50.82% is the change from 425 to 641
Calculation steps:
[( 641 - 425 ) ÷ 425] x 100 = 50.82%
Formula
Percentage change = [(641 - 425) / 425] x 100
Subtract the new number by the original number
641 - 425 = 216
216 ÷ 425 = 0.508235294117647
0.508235294117647 x 100 = 50.82%