-85.58% is the change from 319 to 46
Calculation steps:
[( 46 - 319 ) ÷ 319] x 100 = -85.58%
Formula
Percentage change = [(46 - 319) / 319] x 100
Subtract the new number by the original number
46 - 319 = -273
-273 ÷ 319 = -0.8557993730407524
-0.8557993730407524 x 100 = -85.58%