-7.84% is the change from 689 to 635
Calculation steps:
[( 635 - 689 ) ÷ 689] x 100 = -7.84%
Formula
Percentage change = [(635 - 689) / 689] x 100
Subtract the new number by the original number
635 - 689 = -54
-54 ÷ 689 = -0.0783744557329463
-0.0783744557329463 x 100 = -7.84%