-92.07% is the change from 870 to 69
Calculation steps:
[( 69 - 870 ) ÷ 870] x 100 = -92.07%
Formula
Percentage change = [(69 - 870) / 870] x 100
Subtract the new number by the original number
69 - 870 = -801
-801 ÷ 870 = -0.9206896551724137
-0.9206896551724137 x 100 = -92.07%