-99.42% is the change from 689 to 4
Calculation steps:
[( 4 - 689 ) ÷ 689] x 100 = -99.42%
Formula
Percentage change = [(4 - 689) / 689] x 100
Subtract the new number by the original number
4 - 689 = -685
-685 ÷ 689 = -0.9941944847605225
-0.9941944847605225 x 100 = -99.42%