-66.93% is the change from 871 to 288
Calculation steps:
[( 288 - 871 ) ÷ 871] x 100 = -66.93%
Formula
Percentage change = [(288 - 871) / 871] x 100
Subtract the new number by the original number
288 - 871 = -583
-583 ÷ 871 = -0.669345579793341
-0.669345579793341 x 100 = -66.93%