-51.48% is the change from 878 to 426
Calculation steps:
[( 426 - 878 ) ÷ 878] x 100 = -51.48%
Formula
Percentage change = [(426 - 878) / 878] x 100
Subtract the new number by the original number
426 - 878 = -452
-452 ÷ 878 = -0.5148063781321185
-0.5148063781321185 x 100 = -51.48%