-88.83% is the change from 179 to 20
Calculation steps:
[( 20 - 179 ) ÷ 179] x 100 = -88.83%
Formula
Percentage change = [(20 - 179) / 179] x 100
Subtract the new number by the original number
20 - 179 = -159
-159 ÷ 179 = -0.888268156424581
-0.888268156424581 x 100 = -88.83%