-73.42% is the change from 869 to 231
Calculation steps:
[( 231 - 869 ) ÷ 869] x 100 = -73.42%
Formula
Percentage change = [(231 - 869) / 869] x 100
Subtract the new number by the original number
231 - 869 = -638
-638 ÷ 869 = -0.7341772151898734
-0.7341772151898734 x 100 = -73.42%