-6.6% is the change from 682 to 637
Calculation steps:
[( 637 - 682 ) ÷ 682] x 100 = -6.6%
Formula
Percentage change = [(637 - 682) / 682] x 100
Subtract the new number by the original number
637 - 682 = -45
-45 ÷ 682 = -0.06598240469208211
-0.06598240469208211 x 100 = -6.6%