-92.31% is the change from 143 to 11
Calculation steps:
[( 11 - 143 ) ÷ 143] x 100 = -92.31%
Formula
Percentage change = [(11 - 143) / 143] x 100
Subtract the new number by the original number
11 - 143 = -132
-132 ÷ 143 = -0.9230769230769231
-0.9230769230769231 x 100 = -92.31%