-98.89% is the change from 988 to 11
Calculation steps:
[( 11 - 988 ) ÷ 988] x 100 = -98.89%
Formula
Percentage change = [(11 - 988) / 988] x 100
Subtract the new number by the original number
11 - 988 = -977
-977 ÷ 988 = -0.9888663967611336
-0.9888663967611336 x 100 = -98.89%