-19.48% is the change from 878 to 707
Calculation steps:
[( 707 - 878 ) ÷ 878] x 100 = -19.48%
Formula
Percentage change = [(707 - 878) / 878] x 100
Subtract the new number by the original number
707 - 878 = -171
-171 ÷ 878 = -0.1947608200455581
-0.1947608200455581 x 100 = -19.48%