-96.83% is the change from 284 to 9
Calculation steps:
[( 9 - 284 ) ÷ 284] x 100 = -96.83%
Formula
Percentage change = [(9 - 284) / 284] x 100
Subtract the new number by the original number
9 - 284 = -275
-275 ÷ 284 = -0.9683098591549296
-0.9683098591549296 x 100 = -96.83%