-98.61% is the change from 287 to 4
Calculation steps:
[( 4 - 287 ) ÷ 287] x 100 = -98.61%
Formula
Percentage change = [(4 - 287) / 287] x 100
Subtract the new number by the original number
4 - 287 = -283
-283 ÷ 287 = -0.9860627177700348
-0.9860627177700348 x 100 = -98.61%