-70.05% is the change from 878 to 263
Calculation steps:
[( 263 - 878 ) ÷ 878] x 100 = -70.05%
Formula
Percentage change = [(263 - 878) / 878] x 100
Subtract the new number by the original number
263 - 878 = -615
-615 ÷ 878 = -0.7004555808656037
-0.7004555808656037 x 100 = -70.05%