-51.21% is the change from 871 to 425
Calculation steps:
[( 425 - 871 ) ÷ 871] x 100 = -51.21%
Formula
Percentage change = [(425 - 871) / 871] x 100
Subtract the new number by the original number
425 - 871 = -446
-446 ÷ 871 = -0.5120551090700345
-0.5120551090700345 x 100 = -51.21%