-81.4% is the change from 285 to 53
Calculation steps:
[( 53 - 285 ) ÷ 285] x 100 = -81.4%
Formula
Percentage change = [(53 - 285) / 285] x 100
Subtract the new number by the original number
53 - 285 = -232
-232 ÷ 285 = -0.8140350877192982
-0.8140350877192982 x 100 = -81.4%