-75.85% is the change from 878 to 212
Calculation steps:
[( 212 - 878 ) ÷ 878] x 100 = -75.85%
Formula
Percentage change = [(212 - 878) / 878] x 100
Subtract the new number by the original number
212 - 878 = -666
-666 ÷ 878 = -0.7585421412300684
-0.7585421412300684 x 100 = -75.85%