-83.31% is the change from 869 to 145
Calculation steps:
[( 145 - 869 ) ÷ 869] x 100 = -83.31%
Formula
Percentage change = [(145 - 869) / 869] x 100
Subtract the new number by the original number
145 - 869 = -724
-724 ÷ 869 = -0.8331415420023015
-0.8331415420023015 x 100 = -83.31%