-20.56% is the change from 180 to 143
Calculation steps:
[( 143 - 180 ) ÷ 180] x 100 = -20.56%
Formula
Percentage change = [(143 - 180) / 180] x 100
Subtract the new number by the original number
143 - 180 = -37
-37 ÷ 180 = -0.20555555555555555
-0.20555555555555555 x 100 = -20.56%