-0.7% is the change from 287 to 285
Calculation steps:
[( 285 - 287 ) ÷ 287] x 100 = -0.7%
Formula
Percentage change = [(285 - 287) / 287] x 100
Subtract the new number by the original number
285 - 287 = -2
-2 ÷ 287 = -0.006968641114982578
-0.006968641114982578 x 100 = -0.7%