-40.99% is the change from 871 to 514
Calculation steps:
[( 514 - 871 ) ÷ 871] x 100 = -40.99%
Formula
Percentage change = [(514 - 871) / 871] x 100
Subtract the new number by the original number
514 - 871 = -357
-357 ÷ 871 = -0.40987370838117104
-0.40987370838117104 x 100 = -40.99%