-42.72% is the change from 302 to 173
Calculation steps:
[( 173 - 302 ) ÷ 302] x 100 = -42.72%
Formula
Percentage change = [(173 - 302) / 302] x 100
Subtract the new number by the original number
173 - 302 = -129
-129 ÷ 302 = -0.4271523178807947
-0.4271523178807947 x 100 = -42.72%