-96.99% is the change from 299 to 9
Calculation steps:
[( 9 - 299 ) ÷ 299] x 100 = -96.99%
Formula
Percentage change = [(9 - 299) / 299] x 100
Subtract the new number by the original number
9 - 299 = -290
-290 ÷ 299 = -0.9698996655518395
-0.9698996655518395 x 100 = -96.99%