-96.95% is the change from 328 to 10
Calculation steps:
[( 10 - 328 ) ÷ 328] x 100 = -96.95%
Formula
Percentage change = [(10 - 328) / 328] x 100
Subtract the new number by the original number
10 - 328 = -318
-318 ÷ 328 = -0.9695121951219512
-0.9695121951219512 x 100 = -96.95%