-85.69% is the change from 699 to 100
Calculation steps:
[( 100 - 699 ) ÷ 699] x 100 = -85.69%
Formula
Percentage change = [(100 - 699) / 699] x 100
Subtract the new number by the original number
100 - 699 = -599
-599 ÷ 699 = -0.8569384835479256
-0.8569384835479256 x 100 = -85.69%