-73.51% is the change from 302 to 80
Calculation steps:
[( 80 - 302 ) ÷ 302] x 100 = -73.51%
Formula
Percentage change = [(80 - 302) / 302] x 100
Subtract the new number by the original number
80 - 302 = -222
-222 ÷ 302 = -0.7350993377483444
-0.7350993377483444 x 100 = -73.51%