-99.13% is the change from 691 to 6
Calculation steps:
[( 6 - 691 ) ÷ 691] x 100 = -99.13%
Formula
Percentage change = [(6 - 691) / 691] x 100
Subtract the new number by the original number
6 - 691 = -685
-685 ÷ 691 = -0.9913169319826338
-0.9913169319826338 x 100 = -99.13%