-40.4% is the change from 302 to 180
Calculation steps:
[( 180 - 302 ) ÷ 302] x 100 = -40.4%
Formula
Percentage change = [(180 - 302) / 302] x 100
Subtract the new number by the original number
180 - 302 = -122
-122 ÷ 302 = -0.40397350993377484
-0.40397350993377484 x 100 = -40.4%