-80.8% is the change from 870 to 167
Calculation steps:
[( 167 - 870 ) ÷ 870] x 100 = -80.8%
Formula
Percentage change = [(167 - 870) / 870] x 100
Subtract the new number by the original number
167 - 870 = -703
-703 ÷ 870 = -0.8080459770114943
-0.8080459770114943 x 100 = -80.8%