-71.83% is the change from 284 to 80
Calculation steps:
[( 80 - 284 ) ÷ 284] x 100 = -71.83%
Formula
Percentage change = [(80 - 284) / 284] x 100
Subtract the new number by the original number
80 - 284 = -204
-204 ÷ 284 = -0.7183098591549296
-0.7183098591549296 x 100 = -71.83%