-90.91% is the change from 143 to 13
Calculation steps:
[( 13 - 143 ) ÷ 143] x 100 = -90.91%
Formula
Percentage change = [(13 - 143) / 143] x 100
Subtract the new number by the original number
13 - 143 = -130
-130 ÷ 143 = -0.9090909090909091
-0.9090909090909091 x 100 = -90.91%