-6.06% is the change from 677 to 636
Calculation steps:
[( 636 - 677 ) ÷ 677] x 100 = -6.06%
Formula
Percentage change = [(636 - 677) / 677] x 100
Subtract the new number by the original number
636 - 677 = -41
-41 ÷ 677 = -0.060561299852289516
-0.060561299852289516 x 100 = -6.06%