-3.23% is the change from 186 to 180
Calculation steps:
[( 180 - 186 ) ÷ 186] x 100 = -3.23%
Formula
Percentage change = [(180 - 186) / 186] x 100
Subtract the new number by the original number
180 - 186 = -6
-6 ÷ 186 = -0.03225806451612903
-0.03225806451612903 x 100 = -3.23%