-96.18% is the change from 288 to 11
Calculation steps:
[( 11 - 288 ) ÷ 288] x 100 = -96.18%
Formula
Percentage change = [(11 - 288) / 288] x 100
Subtract the new number by the original number
11 - 288 = -277
-277 ÷ 288 = -0.9618055555555556
-0.9618055555555556 x 100 = -96.18%