-82.48% is the change from 999 to 175
Calculation steps:
[( 175 - 999 ) ÷ 999] x 100 = -82.48%
Formula
Percentage change = [(175 - 999) / 999] x 100
Subtract the new number by the original number
175 - 999 = -824
-824 ÷ 999 = -0.8248248248248248
-0.8248248248248248 x 100 = -82.48%