-83.2% is the change from 869 to 146
Calculation steps:
[( 146 - 869 ) ÷ 869] x 100 = -83.2%
Formula
Percentage change = [(146 - 869) / 869] x 100
Subtract the new number by the original number
146 - 869 = -723
-723 ÷ 869 = -0.8319907940161104
-0.8319907940161104 x 100 = -83.2%