-8.33% is the change from 156 to 143
Calculation steps:
[( 143 - 156 ) ÷ 156] x 100 = -8.33%
Formula
Percentage change = [(143 - 156) / 156] x 100
Subtract the new number by the original number
143 - 156 = -13
-13 ÷ 156 = -0.08333333333333333
-0.08333333333333333 x 100 = -8.33%