-99.43% is the change from 870 to 5
Calculation steps:
[( 5 - 870 ) ÷ 870] x 100 = -99.43%
Formula
Percentage change = [(5 - 870) / 870] x 100
Subtract the new number by the original number
5 - 870 = -865
-865 ÷ 870 = -0.9942528735632183
-0.9942528735632183 x 100 = -99.43%