-90.5% is the change from 179 to 17
Calculation steps:
[( 17 - 179 ) ÷ 179] x 100 = -90.5%
Formula
Percentage change = [(17 - 179) / 179] x 100
Subtract the new number by the original number
17 - 179 = -162
-162 ÷ 179 = -0.9050279329608939
-0.9050279329608939 x 100 = -90.5%