-33.14% is the change from 878 to 587
Calculation steps:
[( 587 - 878 ) ÷ 878] x 100 = -33.14%
Formula
Percentage change = [(587 - 878) / 878] x 100
Subtract the new number by the original number
587 - 878 = -291
-291 ÷ 878 = -0.3314350797266515
-0.3314350797266515 x 100 = -33.14%