-80.05% is the change from 837 to 167
Calculation steps:
[( 167 - 837 ) ÷ 837] x 100 = -80.05%
Formula
Percentage change = [(167 - 837) / 837] x 100
Subtract the new number by the original number
167 - 837 = -670
-670 ÷ 837 = -0.8004778972520908
-0.8004778972520908 x 100 = -80.05%