-69.36% is the change from 878 to 269
Calculation steps:
[( 269 - 878 ) ÷ 878] x 100 = -69.36%
Formula
Percentage change = [(269 - 878) / 878] x 100
Subtract the new number by the original number
269 - 878 = -609
-609 ÷ 878 = -0.693621867881549
-0.693621867881549 x 100 = -69.36%