8.36% is the change from 646 to 700
Calculation steps:
[( 700 - 646 ) ÷ 646] x 100 = 8.36%
Formula
Percentage change = [(700 - 646) / 646] x 100
Subtract the new number by the original number
700 - 646 = 54
54 ÷ 646 = 0.08359133126934984
0.08359133126934984 x 100 = 8.36%