-51.14% is the change from 878 to 429
Calculation steps:
[( 429 - 878 ) ÷ 878] x 100 = -51.14%
Formula
Percentage change = [(429 - 878) / 878] x 100
Subtract the new number by the original number
429 - 878 = -449
-449 ÷ 878 = -0.5113895216400911
-0.5113895216400911 x 100 = -51.14%