-94.93% is the change from 217 to 11
Calculation steps:
[( 11 - 217 ) ÷ 217] x 100 = -94.93%
Formula
Percentage change = [(11 - 217) / 217] x 100
Subtract the new number by the original number
11 - 217 = -206
-206 ÷ 217 = -0.9493087557603687
-0.9493087557603687 x 100 = -94.93%