-66.77% is the change from 999 to 332
Calculation steps:
[( 332 - 999 ) ÷ 999] x 100 = -66.77%
Formula
Percentage change = [(332 - 999) / 999] x 100
Subtract the new number by the original number
332 - 999 = -667
-667 ÷ 999 = -0.6676676676676677
-0.6676676676676677 x 100 = -66.77%