-97.68% is the change from 690 to 16
Calculation steps:
[( 16 - 690 ) ÷ 690] x 100 = -97.68%
Formula
Percentage change = [(16 - 690) / 690] x 100
Subtract the new number by the original number
16 - 690 = -674
-674 ÷ 690 = -0.9768115942028985
-0.9768115942028985 x 100 = -97.68%