-51.95% is the change from 874 to 420
Calculation steps:
[( 420 - 874 ) ÷ 874] x 100 = -51.95%
Formula
Percentage change = [(420 - 874) / 874] x 100
Subtract the new number by the original number
420 - 874 = -454
-454 ÷ 874 = -0.5194508009153318
-0.5194508009153318 x 100 = -51.95%