-31.09% is the change from 878 to 605
Calculation steps:
[( 605 - 878 ) ÷ 878] x 100 = -31.09%
Formula
Percentage change = [(605 - 878) / 878] x 100
Subtract the new number by the original number
605 - 878 = -273
-273 ÷ 878 = -0.3109339407744875
-0.3109339407744875 x 100 = -31.09%