-70.42% is the change from 284 to 84
Calculation steps:
[( 84 - 284 ) ÷ 284] x 100 = -70.42%
Formula
Percentage change = [(84 - 284) / 284] x 100
Subtract the new number by the original number
84 - 284 = -200
-200 ÷ 284 = -0.704225352112676
-0.704225352112676 x 100 = -70.42%