-29.93% is the change from 284 to 199
Calculation steps:
[( 199 - 284 ) ÷ 284] x 100 = -29.93%
Formula
Percentage change = [(199 - 284) / 284] x 100
Subtract the new number by the original number
199 - 284 = -85
-85 ÷ 284 = -0.2992957746478873
-0.2992957746478873 x 100 = -29.93%