-99.3% is the change from 284 to 2
Calculation steps:
[( 2 - 284 ) ÷ 284] x 100 = -99.3%
Formula
Percentage change = [(2 - 284) / 284] x 100
Subtract the new number by the original number
2 - 284 = -282
-282 ÷ 284 = -0.9929577464788732
-0.9929577464788732 x 100 = -99.3%