-69.48% is the change from 878 to 268
Calculation steps:
[( 268 - 878 ) ÷ 878] x 100 = -69.48%
Formula
Percentage change = [(268 - 878) / 878] x 100
Subtract the new number by the original number
268 - 878 = -610
-610 ÷ 878 = -0.6947608200455581
-0.6947608200455581 x 100 = -69.48%