-98.41% is the change from 690 to 11
Calculation steps:
[( 11 - 690 ) ÷ 690] x 100 = -98.41%
Formula
Percentage change = [(11 - 690) / 690] x 100
Subtract the new number by the original number
11 - 690 = -679
-679 ÷ 690 = -0.9840579710144928
-0.9840579710144928 x 100 = -98.41%