-16.86% is the change from 172 to 143
Calculation steps:
[( 143 - 172 ) ÷ 172] x 100 = -16.86%
Formula
Percentage change = [(143 - 172) / 172] x 100
Subtract the new number by the original number
143 - 172 = -29
-29 ÷ 172 = -0.1686046511627907
-0.1686046511627907 x 100 = -16.86%