-70.53% is the change from 285 to 84
Calculation steps:
[( 84 - 285 ) ÷ 285] x 100 = -70.53%
Formula
Percentage change = [(84 - 285) / 285] x 100
Subtract the new number by the original number
84 - 285 = -201
-201 ÷ 285 = -0.7052631578947368
-0.7052631578947368 x 100 = -70.53%