-4.44% is the change from 180 to 172
Calculation steps:
[( 172 - 180 ) ÷ 180] x 100 = -4.44%
Formula
Percentage change = [(172 - 180) / 180] x 100
Subtract the new number by the original number
172 - 180 = -8
-8 ÷ 180 = -0.044444444444444446
-0.044444444444444446 x 100 = -4.44%