-43.39% is the change from 878 to 497
Calculation steps:
[( 497 - 878 ) ÷ 878] x 100 = -43.39%
Formula
Percentage change = [(497 - 878) / 878] x 100
Subtract the new number by the original number
497 - 878 = -381
-381 ÷ 878 = -0.43394077448747154
-0.43394077448747154 x 100 = -43.39%