-9.74% is the change from 698 to 630
Calculation steps:
[( 630 - 698 ) ÷ 698] x 100 = -9.74%
Formula
Percentage change = [(630 - 698) / 698] x 100
Subtract the new number by the original number
630 - 698 = -68
-68 ÷ 698 = -0.09742120343839542
-0.09742120343839542 x 100 = -9.74%