-84.44% is the change from 514 to 80
Calculation steps:
[( 80 - 514 ) ÷ 514] x 100 = -84.44%
Formula
Percentage change = [(80 - 514) / 514] x 100
Subtract the new number by the original number
80 - 514 = -434
-434 ÷ 514 = -0.8443579766536965
-0.8443579766536965 x 100 = -84.44%