-98.38% is the change from 677 to 11
Calculation steps:
[( 11 - 677 ) ÷ 677] x 100 = -98.38%
Formula
Percentage change = [(11 - 677) / 677] x 100
Subtract the new number by the original number
11 - 677 = -666
-666 ÷ 677 = -0.983751846381093
-0.983751846381093 x 100 = -98.38%