7.89% is the change from 646 to 697
Calculation steps:
[( 697 - 646 ) ÷ 646] x 100 = 7.89%
Formula
Percentage change = [(697 - 646) / 646] x 100
Subtract the new number by the original number
697 - 646 = 51
51 ÷ 646 = 0.07894736842105263
0.07894736842105263 x 100 = 7.89%