9.05% is the change from 630 to 687
Calculation steps:
[( 687 - 630 ) ÷ 630] x 100 = 9.05%
Formula
Percentage change = [(687 - 630) / 630] x 100
Subtract the new number by the original number
687 - 630 = 57
57 ÷ 630 = 0.09047619047619047
0.09047619047619047 x 100 = 9.05%