-92.9% is the change from 155 to 11
Calculation steps:
[( 11 - 155 ) ÷ 155] x 100 = -92.9%
Formula
Percentage change = [(11 - 155) / 155] x 100
Subtract the new number by the original number
11 - 155 = -144
-144 ÷ 155 = -0.9290322580645162
-0.9290322580645162 x 100 = -92.9%