-98.95% is the change from 287 to 3
Calculation steps:
[( 3 - 287 ) ÷ 287] x 100 = -98.95%
Formula
Percentage change = [(3 - 287) / 287] x 100
Subtract the new number by the original number
3 - 287 = -284
-284 ÷ 287 = -0.9895470383275261
-0.9895470383275261 x 100 = -98.95%