-2.17% is the change from 184 to 180
Calculation steps:
[( 180 - 184 ) ÷ 184] x 100 = -2.17%
Formula
Percentage change = [(180 - 184) / 184] x 100
Subtract the new number by the original number
180 - 184 = -4
-4 ÷ 184 = -0.021739130434782608
-0.021739130434782608 x 100 = -2.17%