-94.24% is the change from 191 to 11
Calculation steps:
[( 11 - 191 ) ÷ 191] x 100 = -94.24%
Formula
Percentage change = [(11 - 191) / 191] x 100
Subtract the new number by the original number
11 - 191 = -180
-180 ÷ 191 = -0.9424083769633508
-0.9424083769633508 x 100 = -94.24%