-82.05% is the change from 997 to 179
Calculation steps:
[( 179 - 997 ) ÷ 997] x 100 = -82.05%
Formula
Percentage change = [(179 - 997) / 997] x 100
Subtract the new number by the original number
179 - 997 = -818
-818 ÷ 997 = -0.8204613841524574
-0.8204613841524574 x 100 = -82.05%