-96.87% is the change from 319 to 10
Calculation steps:
[( 10 - 319 ) ÷ 319] x 100 = -96.87%
Formula
Percentage change = [(10 - 319) / 319] x 100
Subtract the new number by the original number
10 - 319 = -309
-309 ÷ 319 = -0.9686520376175548
-0.9686520376175548 x 100 = -96.87%