-97.84% is the change from 696 to 15
Calculation steps:
[( 15 - 696 ) ÷ 696] x 100 = -97.84%
Formula
Percentage change = [(15 - 696) / 696] x 100
Subtract the new number by the original number
15 - 696 = -681
-681 ÷ 696 = -0.978448275862069
-0.978448275862069 x 100 = -97.84%