-6.2% is the change from 677 to 635
Calculation steps:
[( 635 - 677 ) ÷ 677] x 100 = -6.2%
Formula
Percentage change = [(635 - 677) / 677] x 100
Subtract the new number by the original number
635 - 677 = -42
-42 ÷ 677 = -0.0620384047267356
-0.0620384047267356 x 100 = -6.2%