-84.44% is the change from 180 to 28
Calculation steps:
[( 28 - 180 ) ÷ 180] x 100 = -84.44%
Formula
Percentage change = [(28 - 180) / 180] x 100
Subtract the new number by the original number
28 - 180 = -152
-152 ÷ 180 = -0.8444444444444444
-0.8444444444444444 x 100 = -84.44%