-51.89% is the change from 871 to 419
Calculation steps:
[( 419 - 871 ) ÷ 871] x 100 = -51.89%
Formula
Percentage change = [(419 - 871) / 871] x 100
Subtract the new number by the original number
419 - 871 = -452
-452 ÷ 871 = -0.5189437428243399
-0.5189437428243399 x 100 = -51.89%