-96.17% is the change from 287 to 11
Calculation steps:
[( 11 - 287 ) ÷ 287] x 100 = -96.17%
Formula
Percentage change = [(11 - 287) / 287] x 100
Subtract the new number by the original number
11 - 287 = -276
-276 ÷ 287 = -0.9616724738675958
-0.9616724738675958 x 100 = -96.17%