-86.79% is the change from 999 to 132
Calculation steps:
[( 132 - 999 ) ÷ 999] x 100 = -86.79%
Formula
Percentage change = [(132 - 999) / 999] x 100
Subtract the new number by the original number
132 - 999 = -867
-867 ÷ 999 = -0.8678678678678678
-0.8678678678678678 x 100 = -86.79%