-56.37% is the change from 871 to 380
Calculation steps:
[( 380 - 871 ) ÷ 871] x 100 = -56.37%
Formula
Percentage change = [(380 - 871) / 871] x 100
Subtract the new number by the original number
380 - 871 = -491
-491 ÷ 871 = -0.563719862227325
-0.563719862227325 x 100 = -56.37%