-24.26% is the change from 878 to 665
Calculation steps:
[( 665 - 878 ) ÷ 878] x 100 = -24.26%
Formula
Percentage change = [(665 - 878) / 878] x 100
Subtract the new number by the original number
665 - 878 = -213
-213 ÷ 878 = -0.24259681093394078
-0.24259681093394078 x 100 = -24.26%