-6.73% is the change from 683 to 637
Calculation steps:
[( 637 - 683 ) ÷ 683] x 100 = -6.73%
Formula
Percentage change = [(637 - 683) / 683] x 100
Subtract the new number by the original number
637 - 683 = -46
-46 ÷ 683 = -0.06734992679355783
-0.06734992679355783 x 100 = -6.73%