8.51% is the change from 646 to 701
Calculation steps:
[( 701 - 646 ) ÷ 646] x 100 = 8.51%
Formula
Percentage change = [(701 - 646) / 646] x 100
Subtract the new number by the original number
701 - 646 = 55
55 ÷ 646 = 0.08513931888544891
0.08513931888544891 x 100 = 8.51%