-99.42% is the change from 690 to 4
Calculation steps:
[( 4 - 690 ) ÷ 690] x 100 = -99.42%
Formula
Percentage change = [(4 - 690) / 690] x 100
Subtract the new number by the original number
4 - 690 = -686
-686 ÷ 690 = -0.9942028985507246
-0.9942028985507246 x 100 = -99.42%