9.68% is the change from 630 to 691
Calculation steps:
[( 691 - 630 ) ÷ 630] x 100 = 9.68%
Formula
Percentage change = [(691 - 630) / 630] x 100
Subtract the new number by the original number
691 - 630 = 61
61 ÷ 630 = 0.09682539682539683
0.09682539682539683 x 100 = 9.68%