-24.6% is the change from 878 to 662
Calculation steps:
[( 662 - 878 ) ÷ 878] x 100 = -24.6%
Formula
Percentage change = [(662 - 878) / 878] x 100
Subtract the new number by the original number
662 - 878 = -216
-216 ÷ 878 = -0.2460136674259681
-0.2460136674259681 x 100 = -24.6%