-95.93% is the change from 270 to 11
Calculation steps:
[( 11 - 270 ) ÷ 270] x 100 = -95.93%
Formula
Percentage change = [(11 - 270) / 270] x 100
Subtract the new number by the original number
11 - 270 = -259
-259 ÷ 270 = -0.9592592592592593
-0.9592592592592593 x 100 = -95.93%