-73.15% is the change from 391 to 105
Calculation steps:
[( 105 - 391 ) ÷ 391] x 100 = -73.15%
Formula
Percentage change = [(105 - 391) / 391] x 100
Subtract the new number by the original number
105 - 391 = -286
-286 ÷ 391 = -0.731457800511509
-0.731457800511509 x 100 = -73.15%