-96.14% is the change from 285 to 11
Calculation steps:
[( 11 - 285 ) ÷ 285] x 100 = -96.14%
Formula
Percentage change = [(11 - 285) / 285] x 100
Subtract the new number by the original number
11 - 285 = -274
-274 ÷ 285 = -0.9614035087719298
-0.9614035087719298 x 100 = -96.14%