-81.53% is the change from 287 to 53
Calculation steps:
[( 53 - 287 ) ÷ 287] x 100 = -81.53%
Formula
Percentage change = [(53 - 287) / 287] x 100
Subtract the new number by the original number
53 - 287 = -234
-234 ÷ 287 = -0.8153310104529616
-0.8153310104529616 x 100 = -81.53%