-99.56% is the change from 689 to 3
Calculation steps:
[( 3 - 689 ) ÷ 689] x 100 = -99.56%
Formula
Percentage change = [(3 - 689) / 689] x 100
Subtract the new number by the original number
3 - 689 = -686
-686 ÷ 689 = -0.9956458635703919
-0.9956458635703919 x 100 = -99.56%