-68.31% is the change from 871 to 276
Calculation steps:
[( 276 - 871 ) ÷ 871] x 100 = -68.31%
Formula
Percentage change = [(276 - 871) / 871] x 100
Subtract the new number by the original number
276 - 871 = -595
-595 ÷ 871 = -0.6831228473019518
-0.6831228473019518 x 100 = -68.31%