-5.37% is the change from 671 to 635
Calculation steps:
[( 635 - 671 ) ÷ 671] x 100 = -5.37%
Formula
Percentage change = [(635 - 671) / 671] x 100
Subtract the new number by the original number
635 - 671 = -36
-36 ÷ 671 = -0.05365126676602087
-0.05365126676602087 x 100 = -5.37%