-96.55% is the change from 319 to 11
Calculation steps:
[( 11 - 319 ) ÷ 319] x 100 = -96.55%
Formula
Percentage change = [(11 - 319) / 319] x 100
Subtract the new number by the original number
11 - 319 = -308
-308 ÷ 319 = -0.9655172413793104
-0.9655172413793104 x 100 = -96.55%