-92.03% is the change from 878 to 70
Calculation steps:
[( 70 - 878 ) ÷ 878] x 100 = -92.03%
Formula
Percentage change = [(70 - 878) / 878] x 100
Subtract the new number by the original number
70 - 878 = -808
-808 ÷ 878 = -0.9202733485193622
-0.9202733485193622 x 100 = -92.03%